With ProPunch paper-punch technology, easily punch through stacks of paper using 50% less effort. An integrated paper guide ensures consistent three-hole placement, & 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 & disposal. Get sleek, long-lasting, all-metal construction & smooth, jam-free performance when you choose inPRESS punches. Sheet Capacity: 40; Operating Method: Manual; Number of Holes: 3; Hole Diameter: 9/32".