The furniture lifter is a highly practical and versatile tool designed to simplify the process of moving and lifting heavy objects. It features an outstanding effort - saving design. Before assembly, with a length of 13 in. it provides a 1/3.5 effort saving ratio, and after assembly, at 24 in. the ratio improves to 1/6.5, significantly reducing the force required for lifting. The product comes with connectable dollies. Each dolly, measuring 4 3/4 in. x 4 3/4 in. x 2 in. is compact yet sturdy. Individually, they have a load capacity of 165 LB, and a set of 4 dollies can bear up to 660 LB, capable of handling heavy - duty items.The package list is comprehensive, including 1 extendable lifter, 4 dollies, 3 jacks, and a non - slip adhesive pad, ensuring all the necessary components are available for efficient moving and lifting operations.In terms of material, it is made of a combination of ABS, steel, and TPE. This blend combines the strength of steel with the durability and flexibility of ABS and TPE. The 1.25 in. small casters with upgraded TPE wheels and an axle with bearings are smooth and quiet during movement, impact resistant, and wear resistant, and they won't scratch floors.This furniture lifter is suitable for both professional movers, who need high performance tools for their work, and for home use, facilitating the movement of furniture and appliances within the house. Material: Plastic.