High Capacity: Bind up to 230 sheets of 80g/20lb paper, perfect for bulk binding needs.
Versatile: Compatible with U.S. letter size paper (8.5"x11") and ISO standard A4 size paper (8.3"x11.7"). Length: About 12" (48 Loops).
Quality Material: Made from durable plastic, our coils are built to last. Pack of 50: Each pack contains 50 black coils, providing excellent value for bulk binding.
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: Designed for use with any 4:1 pitch coil binding machine.
Rayson LBC230G-100BK Leather Texture 12 mil Binding Cover, 8-1/2" x 11" Black Presentation Grain Binding Covers, 100/Pack
KWD 9.500
Rayson PT1202 Binding Machine, 3:1 Pitch, 32-Holes, Punch 12 Sheets with Sturdy Metal Construction
KWD 42
Rayson 25.4mm Spiral Binding Coil 1" Black Coil bindings Spines 4:1 Pitch 50/Box, SBR41254-50B
KWD 11
Rayson WR32159-50B Double Loop Binding Wires 5/8", 3:1 Pitch Wire Binding 32-Loop Wire Ring, Pack of 50 Black
KWD 11
