The Martin Yale DP20 Two 20-Sheet Duo Heavy-Duty will easily punch a regular 2- or 3-hole without any modification. A dedicated 3-hole punch is on one side, and a dedicated 2-hole punch with a standard 2.75 inches center is on the other punches up to 20 sheets of bond paper weighing 20 lb. Punches a 9/32 inches hole to make page turning simple and includes a large chip pan.
Martin Yale DP20 Two 20-Sheet Duo Heavy-Duty feature:
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