Men's Center Bar Buckle Solid Brass Single Prong Square Belt Buckle Features: Material: Solid brass The buckle are for a Fit width 38mm , or smaller strap belt. Buckle inside diameter(belt size): 1-1/2" (39.5mm) ,The Inside MAX width 40mm . thanks! The buckles are high quality buckles. High brass give a real shine. Great for belt repairs or new belts.