The Handles And Wheels Are Placed In A Manner That Makes Moving The Tools Easy And Fast. Imagine Trying To Carry A Heavy Tool Set Without Wheels Down The Street. The Weight Of The Tools Could Slow You Down Or Cause An Injury. This Unit Features Deep-tread Tires Made From Rubber For Gripping The Surface Underneath. In Addition, The Handle Can Easily Retract, Which Allows You To Quickly Access Your Tools After Moving It.