Specification Material: Carbon Steel, PU, Plastic Color: Black, Orange Applicable Floors: Wooden Floor, Ceramic Tile Floor, Smooth Cement Floor, Marble Floor Assembly Required: Yes Number of Wheels: 3 (Each Dolly) Total Load Capacity: Max. 639kg/1409 lbs Triangle Outer Edge Length: 26.5cm/10.4in Triangle Inner Edge Length: 15.5cm/6.1in Small Triangular Bevel Length: 22cm/8.7in Recess Depth: 6cm/2.4in Product Height: 9cm/3.5in Package Size: 33*32.5*11.8cm/13*12.8*4.7in Net Weight: 8.2kg/18.1lbs Gross Weight: 8.6kg/19lbs How to Use 1.Push the crowbar (not included) into the bottom of the furniture and hold the handle down. 2.When the crowbar (not included) is lifted, push 4 dollies into the bottom and align it at a right angle with the edge of the furniture. 3.Lift the handle slightly upwa.