Adjustable Screw Hole Punch Leather Bookbinding Tool,Paper Punch,Craft Punches,6 Function: This hand revolving puncher is designed for punching small round holes in leather strap, so adjust the length of leather belt. Package: With 6 types size punch head,1.5mm 2mm 2.5mm 3mm 3.5m 4mm. Material: Wooden handle with comfortable design for easy punching and less hand fatigue, this wooden punch tool will be easy to use. Widely used in sewing, leather craft, paper craft, printing, cutting rubber, plastic, fiber, felt press and cut etc. Usage: Hold the material securely to keep it from moving and place the Screw Punch up right where you want the hole and press the punch handle downward. The bit will turn to make a perfect hole easily. Change bits for 5 other sizes.