Rayson 9.5mm Spiral Binding Coil 3/8inch Standard White Coil bindings Ring 4:1 Pitch 100/Box SBR-80-100-W
Brand: RAYSON
Color: White

Coil binding is perfect for business proposals, annual reports, company presentations, and any other book binding project, Rayson spiral binding ring bind up to 80 sheets (80g 50lb) with Rayson Binding Machine PD-1501.

Binding Capacity: up to 50 sheets ( 80g/20lb)
Length: About 12" (48 Loops). It can be used with U.S. letter size paper (8.5"x11") Or used with ISO standard A4 size paper (8.3"x11.7")
100 per box, Color: White. This coil binding ring can not be used with 3:1 pitch binding machine !!!
4:1 Coil binding ring means per inch has 4 holes (This is very important distinguish 3:1 pitch from 4:1 pitch cause the things to be as different. 3:1 means per inch has 3 holes. They are used with different binding machine.)
4:1 pitch spiral binding coils great for reports and presentations with any 4:1 pitch coil binding machine - special using with Rayson PD-1501 or PD-1503 coil binder.