Labor Saving Arm Arm Jack Improved Efficiency and Support Labor Saving Arm with thickened strength springs and solid rails delivers a more stable and comfortable door lifting experience. Laborsaving handles reduce effort and improve control during use. A practical laborsaving tool designed to assist your projects with steady, smooth operation. Extremely Sturdy Construction Thicker steel and a tilted design provide strong support. Lever Arm Lifter with Labor Saving Arm metal base ensures reliable performance. Can be easily inserted into any bottom for convenient and flexible usage. Reinforced Durability and Safety Made from thickened 45# solid steel for exceptional strength and long service life. Load capacity 200 kg, offering stability and user safety during lifting tasks. Accurate Scale for Precise Lifting Clearly marked scales for precise control. Available in S type 082 mm and L type 0185 mm variants. Enables seamless control and adaptability for various lifting needs. Use scenarios Interior door installation or replacement: lift and position heavy doors with controlled force, reducing strain and improving alignment accuracy. Heavy panel or cabinet door fitting: use the precise scales to align bottom edges and hinges for a clean, secure fit. Home workshop maintenance: safely lift and move heavy components during repairs or routine servicing, enhancing safety and efficiency.