1 Stainless Steel Adjustable Bow Shaped Shackle, 1/5" (5mm) thick, with 4-hole Contoured Adjusting Bar. Good for paracord bracelets. Shackle diameter: 1/5" (5mm) Inside width : 5/8" (16mm) Diameter of each hole: 3/16" (4.7mm) Distance between centers of each hole: 1/4" (6.4mm) Shackle is capable of holding approx. 500~650kg (1100 - 1430 lbs).