Extra Thick Black RC Body Post Washers and Stainless Clips for Traxxas Slash, 20-Piece Package includes 16 black body washers & 4 stainless body clips. Outside diameter- 3/4" or 19mm. Inside diameter- 1/4" or 6.3mm. Thickness- 1/16" or 1.5mm. Twice as thick as normal body washers. The perfect size for Short Course truck bodies. Lifetime Guarantee. Made in the USA.