International Standard
Hole Distance: 80mm
2-hole
International Standard
Hole Distance: 80mm
4-hole
North America Standard
Hole Distance: 70mm
2-hole
North America Standard
Hole Distance: 108mm
3-hole
North America Standard
Hole Distance: 70mm
4-hole
A5/ 20 holes
B5/ 26 holes
A4/ 30 holes
Multi-hole JIS Japanese Standard
Hole Distance: 9.5 mm
A5/ 20 holes
B5/ 26 holes
A4/ 30 holes
A5/ 24 holes
A4/ 34 holes
3:1 Pitch | 3 holes in 1 inch
Multi-hole International Standard (3:1 Pitch)
3 holes in 1 inch
A5/ 24 holes
A4/ 34 holes
