Make heavy-duty stapling jobs 70 percent easier with PaperPro Two-Finger technology. Using only two fingers, staple up to 65 sheets of paper - jam-free. Durable, all-metal design is compact enough for portable, long-lasting desktop performance. Nonslip base protects tabletops while providing extra stability during frequent operation. For immediate use, this stapler includes 500 5/16" staples (5 to 30 sheets) and 500 3/8" staples (10 to 65 sheets). It uses Bostitch 3/8" Heavy-Duty Premium Staples.