Practical Design: This metal buckle features a roller which allows you to either buckle or unbuckle without applying extra pressure to your belt. With easy and comfortable adjustment due to a functional roller. Adjustable Buckle: It has middle bar with single pin prong to adjust and secure the straps as per your convenience Premium Material:Pin buckles are made of quality metal. Durable, not easy to fade, and it can be used for the long-lasting purpose. Wide Application: Ideal for men and women repairing belts, bags, and leather crafts, heavy duty fastener accessory, arts and sewing kit supply for fixing clothing. Ideal Buckles: Our pin buckles are ideal for repairing bags, belts, clothing, and other crafts. Its durable and convenient to use. 30 Pcs Metal Roller Buckles, Roller Buckles 12MM Metal Shoe Buckles Multi Purpose Belts Hardware Pin Buckles for Clothing, Leather Straps, Snap Fit Belts, Bags, Shoes Features Made of metal Heavy duty, light weight, strong & sturdy Contains middle bar with single pin prong to adjust and secure the straps Best replacement accessory to old fasteners Widely used in clothing repair, belts, leather straps, jackets, coats, crochet, knitting, sewing, shoemaking, sewing custom apparels Specification Color: Silver Inner Diameter: 12mm Material: Metal Package Include 30 x Metal Roller Buckles