Mechanical Binding Specifications Plastic Spiral Coil (with oval holes)
Minimum book size	3 x 3 ½”
Maximum spine size with auto crimp	13 3/8”
Maximum spine size with manual crimp	17”
Maximum book thickness	1 ¾”
Minimum gutter margin	3/8”
5:1 holes for coil diameter	< 9mm
4:1 holes for coil diameter	> 10mm
Wire-O ®* Binding (with rectangular holes) * Wire-O ® is a registered trademark of James Burn Int’l
Minimum book size	3 ½ x 3 ½”
Maximum book size	15 x 15”
Maximum book thickness	1”
Minimum gutter margin:
- for books < 9/16” thick	3/8”
- for books > 5/8” thick	½”
3:1 holes for loop diameter	< 9/16”
2:1 holes for loop diameter	> 5/8”
Lhermite380 Auto Punch (2 available)
Minimum size book	3 7/8 x 5 ¼"
Maximum size book	15 x 15"
Sickinger Manual Punch
Minimum width	2 ½"
Maximum spine - single pass	13"
Maximum spine - double pass	17"