The 3,000-Sheet Finisher offers multi-position staple finishing of up to 100 sheets for 8.5" x 11"/A4 sized media or 50 sheets for 11" x 17"/A3 sized media. The unit also offers stacking of up to 3,000 sheets (shift tray) and 250-sheets (proof tray) with 4 staple options (top, bottom, 2 staples, top-slant) and two and three hole punch options. W x D x H (inches): 39.2 x 28.7 x 44.3 W x D x H (mm): 996 x 729 x 1,125