Using the Bostitch Heavy Duty 40-Sheet Reduced Effort Hole Punch you can comfortably and easily slice through up to 40 sheets with 50% less effort using its EZ Squeeze technology. The sleek metal design and rubberized wide handle allows for premium long lasting comfort and performance. Built-in paper guide ensures professional consistent 3-hole placement and the easy-to-clean chip tray maintains a tidy environment. For desktop protection and extra stability during use the base of the paper punch has rubber pads. With a versatile range of 1 sheet to 40 sheets this punch works for light duty to heavy duty use. Great for work school or the home office. Standard three hole configuration with 9/32” diameter holes.