A twist on legendary strength and corrosion resistance. Riggers have turned to Wichard shackles for their legendary quality, beautiful polish and smooth contours. Drop-forged 316L stainless steel construction is a perfect blend of strength and corrosion resistance and ensures that shape remains intact at loads that meet or exceed the deformation point. The twisted design is great for applications that benefit from the pin being perpendicular to the top of the loop such as jib halyard block attachment to the mast and jib tack attachment for smaller boats. At the thumb screw end, the elasticity of the shackles body locks the pins position into one or other of its small indentations. There is no need to worry about it accidentally coming loose due to vibrations.The pin is captive to prevent accidental loss. For a twisted D shackle that the pros have trusted for years, select a Wichard self-locking shackle. Key Features Forged 316L stainless steel construction combines strength and corrosion resistance Twisted design sets pin perpendicular to top of the loop Self-locking pin resists loosening caused by vibration Pin is captive to prevent accidental loss Available in a wide range of sizes to accommodate different applications and loads