NAVY 10 PCS Black Alloy Adjustable D Shaped Shackle with 4-hole Contoured Adjustable Buckle for paracord bracelets (Black) Shackle diameter: 1/5" (5mm) Inside width : 7/16" (11mm) Shackle is capable of holding 500~650kg (1100 - 1430 lbs) Weight:22g/pcs Package Quantity: 10 pcs