this body-fitting design was developed through testing on many body types to provide optimum comfort. Creeper body is 2″ longer for a better fit. Urethane rollers are inserted into steel bushings which are molded into the creeper body. Provides added strength and easy roller replacement. Low profile, 7/8″ floor clearance. Easy to clean surface is resistant to solvents, greases and fuels. Built-in threaded inserts allow easy addition of a light holder (93702) and tool tray (96562), sold separately. Dimensions: length 38″, width 17 1/2″, height 4″.