---
product_id: 336777205
title: "TruBind8-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"
price: "¥33597"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/336777205-trubind8-mm-5-16-inch-binding-coils-coil08-durable-4
store_origin: JP
region: Japan
---

# TruBind8-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

**Price:** ¥33597
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** TruBind8-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
- **How much does it cost?** ¥33597 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/336777205-trubind8-mm-5-16-inch-binding-coils-coil08-durable-4)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

TruBind8-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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Images

![TruBind8-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 - Image 1](https://m.media-amazon.com/images/I/41yUvBMlPWL.jpg)

## Questions & Answers

**Q: Do you stock 3:1 pitch coils?**
A: 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?**
A: This will bind roughly 45 sheets of standard 20 # paper. 1/4" book thickness. Thank you for your time today.

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

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

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**Shop now:** [https://www.desertcart.jp/products/336777205-trubind8-mm-5-16-inch-binding-coils-coil08-durable-4](https://www.desertcart.jp/products/336777205-trubind8-mm-5-16-inch-binding-coils-coil08-durable-4)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-06-24*