The larger cup washer is used to hold the bottom barrel bushing in place, and the small washer is used to hold the top cone bushing in place. Cup Washers hold the bushings in place to reduce the slop in the trucks as you turn and do trucks. This kit includes two small cup washers and two large cup washers. Enough to outfit two trucks.

The bushing cup washers are compatible with most skateboard trucks. Made of high quality material that wont twist or warp while doing big tricks. Fits on all standard size 3/8" kingpins. Bottom (Larger) Cup Washers Measure 30mm in Diameter, Upper (Smaller) Washers Measure 23mm in Diameter.