Feature:1. Labor Saving Arm: This heavy duty portable arm tool jack provides extra support when lifting and holding heavy objects, you will save a lot of energy, especially when working alone.2. Operating Procedure: No training or setup required, remove from the box and operate with one hand. Use a pair together on a stable, flat platform. Insert your arm into the bottom clearance and repeatedly hold the handle to lift the weight to the desired height. When work is complete, press the release trigger to lower the arm.3. Slow Drop Mode: The 200kg door panel lift features an inch by inch slow drop mode that allows you to drop objects slowly and precisely, perfect for delicate or fragile items that require extra care.4. Reliable Construction: Excellent materials and reliable construction ensure arm tool jack reliability and durability, smooth and consistent performance.5. Ergonomics: The heavy duty furniture lifter can handle heavy loads with ease. Its ergonomic design ensures that it helps reduce stress on workers' muscles and joints, making lifting more comfortable and reducing fatigue.Specification:Item Type: Lifter Woodworking ToolMaterial: Stainless SteelSpecifications: 2pcs in setMaterial: Stainless Steel Load Capacity: Approx. 200KG / 441LBAdjustable Height: Approx. 0-145mm / 0-5.7inUse: Labor Saving Micro Adjustable Lift, Height Adjuster.Package List:2 x Arm Tool Jack