Yes this is 4:1. I've purchased it multiple times matching my machine's 4:1 size.

TruBind 8-mm (5/16-inch) Binding Coils - COIL08 - Durable - 4:1 Pitch (4 Holes/inch) - 12 Inches Long - Pre-Sized to Fit Letter-Sized Paper - Compatible with TruBind Binding Machines - 100 per Box

Q: Do you stock 3:1 pitch coils?

I am sorry we do not stock a 3:1 pitch plastic coil. We do however have a 3:1 pitch in a wire binding. Thank you for your time and understanding.

Q: how many pieces of paper will this hold?

This will bind roughly 45 sheets of standard 20 # paper. 1/4" book thickness. Thank you for your time today.

Q: What kind of plastic is used in these coils?

Manufactured from recycled PVC, our premium color coil binding elements look the same, perform the same and (best of all) cost the same as conventional plastic. And you can still choose from 50 colors. coil and filament are CPSIA (Consumer Products Safety Improvement Act of 2008 Compliant) Phthalate and Lead Free.

4.7/5

Product ID: 336777205

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Description

TruBind 8-mm (5/16-inch) Binding Coils - COIL08 - Durable - 4:1 Pitch (4 Holes/inch) - 12 Inches Long - Pre-Sized to Fit Letter-Sized Paper - Compatible with TruBind Binding Machines - 100 per Box

Specifications

Manufacturer	TruBind
Brand	TruBind
Item Weight	1.32 pounds
Product Dimensions	12.9 x 6.7 x 2.5 inches
Item model number	OP-31395
Is Discontinued By Manufacturer	No
Color	Black
Manufacturer Part Number	COIL08-BK

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Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

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The product exactly matches the description. Very satisfied with my purchase.

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