20mm Super Engineer Solid Stainless Steel Straight End Watch Band Wetsuit Clasp, Brush Shipping Estimate : 7 - 10 Business Days within US. Material: 316L Stainless Steel, all solid links include end links Color / Finish : Brushed Buckle type / Finish: 20mm 316L Stainless Steel button control Diver Wetsuit Ratchet Buckle, Brushed Design to fit: All watches with 20mm lug width