These multi-purpose single prong eyelets are perfect for a wide range of uses including clothing, accessories, trucks, boats, and tents. These can be used to reinforce holes or form new holes in thin materials such as soft leather and fabric. The eyelets are made from brass for increased resilience and rust resistance. - Perfect for tarpaulins, leather craft, clothing, handbags, shoes, jackets etc - Steel construction - It is simple to use using just a hammer and metal block to 'set' it in place so they stay in place - Ideal for DIY projects or sewing crafts