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. Breast Cancer AwarenessA 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".