Mix of 10 Stainless Steel Adjustable Shackles (5 D-Shaped and 5 Bow Shaped), 1/5" (5mm) thick, with ten 4-hole Adjusting Bar. Good for paracord bracelets. Bow diameter: 1/5" (5mm) 5 Bow Shackles and 5 D shackles, with Adjusting Bars Diameter of each hole: 3/16" (4.7mm) Distance between centers of each hole: 1/4" (6.4mm) Shackles are capable of holding approx 150 - 200 kg (330 - 440 lbs).