Delrin Washers to eliminate wheel to body friction on your pinewood derby car (10 count).
Harder and better than the Teflon washers! Insert these Delrin washers between the pinewood derby car body and wheel to have a super slick surface that won’t brake your wheel. Installs in minutes take old axle and wheel. Rough up one side of the washer with 400 grit sandpaper put smooth side of the washer on the wheel and axle. Take drop of super glue put it on the car body. Insert the axle into the hole on the body and push the wheel in.