S/S Snap Shackle Fixed - 2 sizes
Stainless Steel Fixed Snap Shackle
The "mini" size is commonly used for optimist main sheets, to allow fast removal for easy towing.
The medium is vastly the popular unit for sheets, halyards or even simply snap hooking the dinghy on.
Mini: 35mm long, 25mm wide
Medium: 70mm long, 50mm wide
Pull ring to release catch