MOTO-D Stainless Steel (304 series) Motorcycle Spring Clip Racing Safety Pins are quick-release safety wire clips for use on motorcycles, go-karts, boats and race cars. Save yourself the trouble of re-safety wiring parts by using these spring clips. Size M (41mm length x 14mm height) typically used on oil drain bolts, oil fill caps, ignition key, and other medium size bolts. The thickness of the wire is 1.4mm. Total Spring Clips 25.