TigerClaw Angled Strip Scrail Fasteners. 930 count. Tiger Claw Pneumatic Scrail fasteners combine the speed of a nail and the holding power of a screw. This product has been specifically designed for use in the Tiger Claw Pneumatic Installation Tool for Tiger Claw hidden fastening clips such as TC-G. Phillips drive style, black oxide finish, flat head, 304 grade carbon steel material, self-drilling, etc.