ITEM NAME:Skateboard Wheel Axle Mounting Screw Nuts + Speed Washers for Outdoor Sports img *{margin:0;padding:0;.Fit on almost trucks of skateboard, longboard, scooter, cruiser. Skateboard hardware set. 100 Pieces Skateboard Speed Washers. Speed washers are made of high quality iron, durable, sturdy, Increase speed and promote longer bearing life by reducing friction between the bearing and axle nut and hangar, for good bearing performance.