With ProPunch® paper-punch technology easily punch through stacks of paper using 50% less effort. An integrated paper guide ensures consistent three-hole placement and a non-slip base provides stability during use. For compact storage in desk drawers a built-in mechanism keeps the handle locked down. For chip waste an internal chamber with a rear-mounted flip-open door ensures mess-free collection and disposal. Get sleek long-lasting all-metal construction and smooth jam-free performance when you choose inPRESS™ punches. Sheet Capacity: 12; Operating Method: Manual; Number of Holes: 3; Hole Diameter: 9/32 .