BCM(R)(TM) Quick Detach Sling Swivel 1" D-Ring (Heavy Duty Design for 1" slings) - Contoured Design For Easy One Handed Operation - Tumble Deburred and Sand Blasted Before Plating - Carbon Steel with Manganese Phosphate Finish - For 1" Slings As with all BCMA(R) Life Saving ToolsA(R), Made in the U.S.A.