Watch Buckle, Black Matte Comes in size 24mm, 22mm, 20mm, 18mm & 16mm. Size refers to inside dimension Spring Bar Setting Tool https://www.buckleguy.com/wb1019-watch-buckle-black-matte/ Please let us know if you have any questions about our hardware! We would love to help! info@buckleguy.com (978) 213-9989 www.buckleguy.com SKU:WB1019-IPBM About Buckleguy Buckleguy is a 1-stop shop for leather crafting supplies & accessories for customers who care about quality, including belt buckles, belt leather, bag leather, purse & handbag parts, dog leash clips, & dog collar clasps & loops. Based in the USA in New England, we are a family business that has been catering to the leather accessory trade for over 75 years. Wb1019 Watch Buckle, Black Matte