FKD Sawblade Bearings are built with high quality, light weight, impact resistant components designed for skateboarding. Tight tolerances, smooth surfaces, stainless steel balls and friction-free cages create an incredibly fast bearing that can withstand the toughest environment.Tighter tolerances for maximum velocity. FKD Abec 7 Sawblade bearings are developed with FKD’s high standard of quality and durability.