Long-lasting, 50% easier hole punching with ProPunch paper-punch technology. Built-in ruler & paper guide ensure consistent hole placement while the non-slip rubber base provides stability during use. Compact in size, the punch has a convenient handle lock for storing in tight spaces. Internal chip chamber empties through a rear door for tidier chip disposal, without removing the entire punch base. Durable all-metal body. Smooth, jam-free performance. A portion of the proceeds from the sale of this item will be donated to cancer charities via the AMAX Spirit Foundation. Sheet Capacity: 12; Operating Method: Manual; Number of Holes: 3; Hole Diameter: 9/32".