Rayson SR3111BK Plastic Spiral Coil Binding 7/16 inch, 36 Loops, 3:1 Pitch Black Coil bindings Spines, 100/Box
$21.99
Description
Binding Capacity: up to 60 sheets ( 20lb/80g ).Length: About 11.3” (36 Loops).100 per box, Color: Black. This spiral binding coil can not used with 4:1 pitch binding machine..3:1 Coil binding ring means per inch has 3 holes (This is very important distinguish 3:1 from 4:1 cause the things to be as different. 4:1 means per inch has 4 holes. They are used with different binding machine.).3:1 pitch spiral binding coils great for reports and presentations with any 3:1 pitch coil binding machine.
