Get extra hole punch HAPDEN grommet pliers doesn't require pre-drilling before use.If you need to hole punch, grommet kit comes a hole puncher and a white backer block. Upgrade jaw and die Keeping the magnetic function of eyelet tool, HAPDEN adjust eyelet pliers opening angle to improve the accuracy of the clamp die. Metal eyelets do the job work better. Intelligent Portable Upgraded version grommet setter tool is made of special lightweight aluminum alloy and weighs only 0.9 pounds(0.41kg).Add elastic device, automatic return after pressing. Upgrade one-piece handle Grommet fastener tool one-piece molding handle prevents peeling, black handle is skid-proof and dirty-proof, providing you with a better use experience. Anti-rust grommet Silver grommet is made of chrome-plated metal, which has the function of anti-rust and perfect match with the grommet magnetic pliers.