RENYINDA Labor-Saving Arm Jack Multifunctional Construction Jacks, Furniture Jacks，Lift Height 10 inches 300lb Load-Bearing for Installing Windows and Doors, Lifting Furniture, Woodworking Tools

1. Product Core Features & Slow Descent Operation The labor saving arm is designed with one-handed slow descent control: firmly hold the lower anti-slip grip in a semi-clenched state, keep pressing the safety release button, and the arm will lower slowly and smoothly to your target height. The built-in precise height scale allows for fast and accurate lifting adjustment. The elevator support plate fits flush with the ground (zero ground clearance), delivering enhanced stability and superior load-bearing capacity. 2. Widely Used Application Scenarios Ideal for professional installation of doors, windows, cabinets, wall tiles, and furniture positioning. Equipped with clear measuring scales, it can be fine-tuned to the most suitable working height. It also helps clean dust and dirt under sofas, beds, and appliances, and can replace two-person work, enabling independent and efficient completion of heavy lifting tasks.. 3. Premium & Durable Material Construction Built for stability and zero wobble: adopts high-strength pressure springs for longer service life, ergonomic labor-saving grip for comfortable operation, thickened all-steel base for firm support, solid steel slide rails for smooth height adjustment, and heavy-duty steel support plates for level and stable bearing.. 4. Detailed Product Parameters & Easy Operation Net weight: 2.2 lbs per unit; paired use bearing capacity: 300 lbs; dynamic lifting capacity: 200 lbs. Easy to operate: hold the top handle to lift and adjust height, gently press the control plate to lower. If the ground clearance is too high, place wooden blocks or hard pads on the ground as auxiliary height supports.. 5. Reliable After-Sales Guarantee We provide comprehensive after-sales support: if you encounter any product problems or operation questions, please feel free to contact our customer service team. We are committed to responding promptly and solving issues for you at any time.