Stanley Workbox Black Plastic Wheel Spacer 1-92-904 1-97-503 STST1-80150

Stanley Workbox Black Plastic Wheel Spacer 1-92-904 1-97-503 STST1-80150

This is the wheel spacer for the Stanley workbox that helps the wheels from grinding on the box and being worn down, you would need to replace this if damaged.

Please see below applicable models