Loading... Please wait...Nickel Plated Pyramid Spots - 1/2" (10 pk) have prongs that need to go through pre-punched slits in the leather and then bend over to secure. An easy way to punch slits is with the single-pronged chisels. Use 8804101 1/8" Chisel (0,3 cm) for the 1/2" Pyramids.