Rayson 31.8mm Spiral Binding Coil 1-1/4" Black Coil bindings Spines 4:1 Pitch 50/Box, SBR41318-50B

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Rayson 31.8mm Spiral Binding Coil 1-1/4" Black Coil Features

• Binding Capacity: up to about 230 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")

• 50 per box, Color: Black. 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.

About Rayson 31.8mm Spiral Binding Coil 1-1/4" Black Coil