Specifications and features:

1. 21 individual, hardened, progressive punching pins.

2. Punching up to 10sheets of 80g(20lbs).

3. Variable punching margin control from 2mm to 6mm

4. Binding up to 250sheets (for combs up to 28mm).

5. Inside all metal construction.

6. Punching life cycle tested: more than 12,000 times(10sheets a time)

7. Rigid ABS plastic base.

8. ABS plastic housing.

9. Rigid cast aluminum handle.

10. Dimensions:370 x 260 x 140mm

11. Net weight: 4.2kgs