This 100 lb. roller has an all-steel frame and zinc-plated roller sections for long term performance. The roller sections have smooth surfaces and rounded corners to reduce scratching and indentation of the vinyl. The outer sections are counterbored to provide recesses for the axle fasteners and prevent damage to walls. The three sections float independently on the axle to compensate for subfloor irregularities. Sections Diameter: 5 1/2". Width: 16". Height: 38". Net weight: 100 lbs (45.36kgs).