Klein Tools 77000 Heavy Duty Construction Jack 350 Lbs Capacity 10 Inch Lift Range Drywall Panel Cabinet Lifting Tool Steel Clamping Capable Manual Lift
SKU: 39069463093

Klein Tools 77000 Heavy Duty Construction Jack 350 Lbs Capacity 10 Inch Lift Range Drywall Panel Cabinet Lifting Tool Steel Clamping Capable Manual Lift

Sale price$80.98 Regular price$89.98
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Description

Klein Tools 77000 Heavy Duty Construction Jack 350 Lbs Capacity 10 Inch Lift Range Drywall Panel Cabinet Lifting Tool Steel Clamping Capable Manual LiftProfessional Grade Precision Lifting: Klein Tools Heavy Duty Construction Jack The Klein Tools 77000 Heavy Duty Construction Jack is an indispensable mechanical advantage for the modern jobsite, engineered to provide clinical precision in lifting, leveling, and installation tasks. With a robust 350 pound load capacity and a versatile 10 inch lifting range, this professional grade tool allows a single operator to lift and position heavy drywall panels,

Professional-Grade Precision Lifting: Klein Tools Heavy-Duty Construction Jack

The Klein Tools 77000 Heavy-Duty Construction Jack is an indispensable mechanical advantage for the modern jobsite, engineered to provide clinical precision in lifting, leveling, and installation tasks. With a robust 350-pound load capacity and a versatile 10-inch lifting range, this professional-grade tool allows a single operator to lift and position heavy drywall panels, cabinetry, HVAC units, and structural frames with ease. Constructed with a reinforced steel I-beam frame and professional-grade internal components, it ensures maximum stability while minimizing flexing under heavy loads. Whether you are a finish carpenter aligning high-end cabinetry or a general contractor installing heavy panels, the 77000 delivers the legendary strength and reliability required to forge ahead with confidence.

Innovation is integrated into every lever pull, featuring specialized precision controls for both lifting and micro-incremental lowering to ensure a perfect fit every time. The tool is designed for extreme versatility, with a removable footplate that quickly converts the jack into a heavy-duty clamp for secure material holding. Surface protection is prioritized with non-marring, anti-slip foot pads that prevent damage to finished floors or delicate materials during high-pressure lifting. Additionally, integrated countersunk flush-mount holes allow the base to be secured directly to work surfaces for enhanced stability. Compact enough for a tool bag but tough enough for industrial use, this construction jack is a foundational instrument for any tradesman seeking elite material control and safer hands-free operation.

Key Features

  • 350 lb. Lifting Capacity: Industrial-grade power designed to lift and level heavy drywall, panels, cabinets, and appliances without fatigue.
  • 10-Inch Lift Range: Provides a wide vertical travel distance for versatile positioning across multiple trades and applications.
  • Precision Control Levers: Features specialized handles for controlled lifting and incremental lowering, plus a quick-release for rapid adjustments.
  • Dual-Function Capability: Removable footplate allows the tool to easily transition from a vertical jack to a high-pressure horizontal clamp.
  • Non-Marring Protection: Equipped with removable rubber footplate covers to provide anti-slip grip and protect finished surfaces from scratches.
  • Stable I-Beam Construction: Engineered with a heavy-duty steel core and countersunk stabilization holes to minimize flexing and ensure a secure base.

What's Included

  • (1) Klein Tools Heavy-Duty Construction Jack (77000)
  • (2) Removable Non-Marring Footplate Covers

Specifications

Brand Klein Tools
Model Number 77000
Maximum Load Capacity 350 lbs.
Lifting Range 10.0 in.
Material Steel, Plastic, and Rubber
Operation Type Manual Lift, Lower, and Full Release Levers
Overall Height 18.5 in.
Overall Width 5.4 in.
Overall Length 9.26 in.
Product Weight 4.1 lbs.
Color Orange / Black / Silver
UPC 092644770005

Pro-Tip: To achieve clinical accuracy when installing kitchen base cabinets, use two construction jacks in tandem. This allows you to support the weight of the cabinet hands-free while you use the micro-lowering lever to dial in the perfect level across an uneven subfloor, ensuring a factory-perfect installation before driving your final fasteners.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39069463093

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DadK
Houston, US
★★★★★ 5
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I’ve been wearing these wirarpa modal briefs every day for about a month, and they’ve quickly become my go-to pair for daily wear. I previously owned the same brand’s boxer briefs for over a year, which held up better than any other brand I’ve tried, so I decided to test the brief version this time. Fit and Comfort The sizing was spot-on for me. The waistband is soft, not scratchy, and doesn’t dig in — it stays in place without rolling. The leg openings don’t ride up, and everything stays comfortably supported without tight seams in the wrong spots. I’d almost forgotten how briefs feel after years of wearing boxer briefs, but these reminded me why they’re still worth owning. Fabric and Wearability The modal material is silky and smooth to the touch. It’s perfect for everyday comfort and casual wear, but not the best choice for sports — it’s not highly moisture-wicking, so I wouldn’t use them for workouts or hot outdoor work. Durability After a month of daily washing, there’s no pilling, stretching, or loose stitching at all. If they hold up like my year-old wirarpa boxer briefs, I expect these to last far longer than most big-name brands. Design Notes These come neatly rolled in a sealed bag with no odor or chemical smell — a nice touch that shows some quality control. Bottom Line If you like a soft, lightweight brief that fits true to size and stays comfortable all day, these are a great value. Go for the boxer briefs if you want more coverage or plan to sweat in them, but for regular daily wear, these hit the mark perfectly.
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Reviewed in the United States on November 5, 2025
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JustAShopper
San Leandro, US
★★★★★ 5
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Color: Black,navy,burgundy,brown, Size: Medium
These briefs are soft, lightweight, and very comfortable for everyday wear. The modal microfiber material has a nice silky feel, and they provide plenty of room without feeling bulky. The fit is true to size, which is always a plus when ordering underwear online. Overall, a comfortable and well-made option if you want something soft and easy to wear all day.
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Reviewed in the United States on March 24, 2026
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Amazon Customer
Boise, US
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I purchased these in small. I have a 30-inch waist, and the small is loose on me. They are described as handmade, and to expect some variance, but there is a noticeable difference between individual items. Individually, they are well constructed, just inconsistent in size.
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Drew Amador
Phoenix, US
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Just buy them
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Darling Dumpling
Phoenix, US
★★★★★ 5
Good underwear. Husband likes them.
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Husband wears XL and XL fit well. This is the second pack I got for him. They are decent quality, look and feel nice, not baggy yet not too tight anywhere. They are somewhat thin (but still supportive) and do not make him sweat more so he loves that. No problems washing (they didn’t shrink). Will continue to repurchase these.
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Reviewed in the United States on May 11, 2026

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