OUTSTANDING MATERIAL:Our grommet kit is made of Premium copper, the surface looks brighter.This material also has good resistance to rust.Thickened metal eyelets and washers are harder and more durable! | METAL EYELET SIZE:1/ 4 inch（6mm）about in internal hole diameter, 2/ 5 inch（12mm）about outside flange diameter, and 1/ 5 inch （5mm） about barrel length. | GROMMET KIT INCLUDES:100 sets of grommets kit(100pcs eyelets and 100pcs washers), 3 pieces installation tools(punch hole tool, install tool and metal base), all tool in a storage box without mess. | EASY TO USE:Fix the grommets eyelets in place with the install tool and metal base, each set of metal eyelet and washer fit well together, does not crack and lose easily. The grommet kit is suitable for tents, tarps, shoes, clothing, curtains, backpacks, leather and DIY crafts making,repair and decoration. | 100% SATISFACTION GUARANTEED:Our team is committed to providing every customer with good products and 100% satisfactory service. If there are any problems with our products, contact us and we would be very happy to solve your problems. Be sure to Add to Cart.