Rayson TD-132 Binding Machine 3:1 Pitch Punch 12 Sheets/Bind 120 Sheets with Sturdy Metal Construction Max. Punch Letter Size Paper 32 Holes

Manual Punching and Binding Operation. Punching holes quantity:32 holes and Square hole size: 0.15"×0.15"(4x4mm) Max. Punching capacity: 12 sheets (80gsm/20lb) / Binding capacity (Max.): 120 sheets (80gsm 20lb). Margin adjustable: 2.5, 3.5, 4.5 mm/Max. Sheet Size: letter size (8.5×11.0") Durable Metal Construction for Long-Lasting Use. Binding with 3:1 coil binding spiral or 3:1 wire-o binding ring. Tips: Rayson's binding machine comes with oiled cutting blade for protecting the punch die away from rusting. To avoid staining on the important document, please use oiled removing paper(enclosed ) to punch first in order to clean up the blades. And we don't recomend to use this machine for punching 12 sheets paper at time usually or punch small paper often.