TB-S20A: TruBind Spiral Coil Spine Binding Machine with Electric Coil Spine Inserter, Manual Punch, Round Holes, 4:1 Pitch, White and Black

Binding Style: 4:1 Coil (.250 spacing) Punch Capacity: 20 sheets (based on 20 lb. paper) Punch Operation: Electric (Round Holes) Depth Margin: Adjustable (2.5mm, 4.5mm, and 6.5mm) Disengageable Dies: Fully disengageable (all 46 dies) Max. Punching Length: 11.81 in., A4 Binding Operation & Capacity: Electric - 7/8 in. (190 sheets), Manual up to 2 in (440 Sheets) Warranty: 2 years