This is a replacement pack of four Tekno RC CNC Flat/Flat Shock Pistons, intended for use with the NB48 2.0 1/8 Competition Off-Road Nitro Buggy Kit. Made from self lubricating Delrin material and utilizing a redesigned tapered shape, these CNC pistons have 16 dimples machined to perfection for easy drilling. These can be used with all Tekno RC and other vehicles that use 16mm bore shocks.