Nickel Plate, Heel Bar Buckle, Solid Brass-LL This item is made from Low Lead Brass under 100ppm Size refers to inside dimension Please let us know if you have any questions about our hardware! We would love to help! (978) 213-9989 SKU:B7106-1E-NP-LL Leather Craft, Hardware, Brass Buckle, Fossil Watch Straps, Solid Brass, Belt Buckles, Antique Brass, Key Holder, Leather Crafting