Bluemoona 5 Pcs - 1" 25mm Sling HK Clips Spring Gate Snap Olecranon Hook Dee Rings Webbing Strap Buckles (Black) Material:Metal Color: Black inside diameter size: 1" Quantity: 5Pcs For Rifle Sling and Strap Attachment, HK Snap Hook with 1 inch webbing slot,Heavy duty Steel with strong Spring