5 Stainless Steel Adjustable D Shaped Shackles, 1/5" (5mm) thick, with five 4-hole Adjusting Bar. Good for paracord bracelets. Bow diameter: 1/5" (5mm) Inside width : 7/16" (11mm) Diameter of each hole: 3/16" (4.7mm) Distance between centers of each hole: 1/4" (6.4mm) Shackle is capable of holding 500~650kg (1100 - 1430 lbs).