A professional product shot of the Klein Tools 77000 heavy-duty construction jack, featuring a reinforced steel I-beam frame, high-visibility orange housing, and precise manual control levers for industrial lifting and leveling.
An infographic highlighting the key features of the construction jack, showing a 10-inch lift range for vertical travel and a maximum load capacity of 350 lbs. for heavy material handling.
An application photo demonstrating hands-free lifting, where a professional contractor uses their foot to engage the lift lever on an HVAC unit, allowing for precise positioning and effortless movement of heavy objects.
A technical diagram illustrating the precise adjustment controls of the Klein Tools jack, including the lift lever, micro-incremental lowering lever, and the full quick-release mechanism for rapid height adjustments.
Close-up detail showing a tradesperson using the construction jack to level a kitchen cabinet, highlighting the removable non-marring footplate covers that provide anti-slip stability and protect finished surfaces.
Heavy-Duty Construction Jack (77000) promotional video
A professional product shot of the Klein Tools 77000 heavy-duty construction jack, featuring a reinforced steel I-beam frame, high-visibility orange housing, and precise manual control levers for industrial lifting and leveling.
An infographic highlighting the key features of the construction jack, showing a 10-inch lift range for vertical travel and a maximum load capacity of 350 lbs. for heavy material handling.
An application photo demonstrating hands-free lifting, where a professional contractor uses their foot to engage the lift lever on an HVAC unit, allowing for precise positioning and effortless movement of heavy objects.
A technical diagram illustrating the precise adjustment controls of the Klein Tools jack, including the lift lever, micro-incremental lowering lever, and the full quick-release mechanism for rapid height adjustments.
Close-up detail showing a tradesperson using the construction jack to level a kitchen cabinet, highlighting the removable non-marring footplate covers that provide anti-slip stability and protect finished surfaces.
Heavy-Duty Construction Jack (77000) promotional video
KLEIN TOOLS

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

Only 1 left
SKU: 77000
$89.98 USD

Description

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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.