Pack of 100 Round Head Rivet Studs, - excellent quality 10mm in Diameter x 9mm deep in Rhodium Silver with Universal setting tool and hole punch tool! Each pack contains 100 x 10mm Round Dome Head Rivet Studs. Each Rivet is brand new, made of quality metal and come with the tool to set it on fabric, leather and just about any other material. You first make a hole in the fabric using the punch tool and a hammer. Then place the rivet on the setting tool and hammer the back into the head. DIY!!! Perfect to use for belts, shoes, hangbags!!!!!