This redesigned Screw Punch has been updated with improvements to all parts. The mechanism is made of solid brass and has an smooth rotation. The handle is made of sold wood with a rounded end for comfort. This is an essential tool for paper artists, book makers, and those working in various fabrics and some metal. This Screw Punch, also called a Paper Drill, uses various sized bits to create different size holes. Simply hold the punch vertical to the surface and press down. Bits are available separately, not included.