# DECYOOL 657 Locking Pin Backs, Nickel-Plated Copper, 30-Pack

Keep pins secured on bags, jackets, or uniforms with DECYOOL locking pin backs in nickel-plated copper.

- [Original product page](https://www.ofertitastop.com/us/product/decyool-657-locking-pin-backs-nickel)
- [View offer](https://www.ofertitastop.com/us/visit/decyool-657-locking-pin-backs-nickel)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-24T01:54:30.091Z
- Brand: DECYOOL
- Model: 657
- MPN: 657
- EAN / GTIN: 065181693304
- SKU: ofertitastop-us-145685
- Category: Apparel & Accessories > Jewelry > Brooches & Lapel Pins
- Source store: amazon US
- Active deal: Yes
- Price: 6.26 USD
- Previous price: 6.95 USD
- Discount: 10%
- Rating: 4.7 / 5
- Reviews: 10844

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

The spring-loaded locking clasp helps keep a pin attached to jackets, bags, uniforms, and other fabric items. Made from nickel-plated copper, these low-profile silver backs provide a metal alternative to standard rubber or butterfly clutches.

With 30 backs in the pack, you can replace worn or missing pin backs or keep spares on hand for a collection you wear and swap regularly.

## How to use it
Hold the pin in place and push a locking back onto its post to secure it. To remove it, pull the base of the clasp. The spring-loaded design needs no tools, making it practical when changing pins between a jacket, backpack, hat, or lanyard. Match the back to a standard pin post, then check that it is seated before wearing the item.

The flat, low-profile shape sits behind the pin rather than adding a bulky backing. Its smooth surface is designed to help reduce contact with skin and fabric, which is useful for pins worn on clothing or carried on a bag. Each back measures 0.39 inches in diameter and 0.24 inches in height.

## Tech specs
- Type: Locking pin backs
- Material: Nickel-plated copper
- Color: Silver
- Style: Spring-loaded locking clasp
- Size: 0.39 inches in diameter, 0.24 inches in height
- Quantity: 30 pieces
- Model: 657

## Strengths
A locking metal clasp gives collectors and pin wearers a different fastening approach from a basic rubber or butterfly clutch. The push-to-lock, pull-to-release mechanism is useful for pins that move between bags, jackets, hats, and uniforms, while the compact profile keeps the backing discreet behind the pin. The nickel-plated copper construction is described as rust resistant, and the silver finish blends behind many pin designs.

These backs are suited to standard enamel lapel pins, brooches, badges, name tags, citation bars, and similar pin-post items. For example, a collector can keep spare backs with a pin set and use them when replacing a lost backing or securing a pin to a backpack for the day. The 30-piece quantity also provides replacements for several pins rather than just one.

Buyer feedback is positive about keeping pins in place and the discreet appearance, while experiences with ease of removal, durability, and the locking action are mixed. That makes the push-on and pull-off method especially relevant to consider for pins that are changed often, the clasp is designed to release by pulling its base.

## Final verdict
DECYOOL’s 30-piece set is a practical fit for pin collectors and anyone who wears badges, brooches, or enamel pins on clothing and bags. The nickel-plated copper construction, compact silver finish, and tool-free spring-loaded clasp make it a useful replacement option for standard pin backs, with extra pieces ready for future swaps.

## Images

![DECYOOL 657 Locking Pin Backs, Nickel-Plated Copper, 30-Pack — 1](https://www.ofertitastop.com/i/UFpiv0Qvy5c17952oNjjIP7tPNj6EHS7af-hXcijuJa3tX0im-ZdXDaYExUW2f6e91fj80G49MnDpIFBcV-9oJ_BNFhFI1d22VDjlYuLmCANrI96jWbYZq5jeg.jpg)

![DECYOOL 657 Locking Pin Backs, Nickel-Plated Copper, 30-Pack — 2](https://www.ofertitastop.com/i/cXb029-3x2x8XEoUzen5VdFGvBcI9QJtLSOsmoZ29bbx6zqJfkOVMCC0QrutRyaW3toRiWFeS5cCLXIjxiB1uun1sfIaCy1svTY-mpbT5lfjDcuwz51oIPJMgA.jpg)

![DECYOOL 657 Locking Pin Backs, Nickel-Plated Copper, 30-Pack — 3](https://www.ofertitastop.com/i/KhioPLLpyzly4bV56oUpk5QTlp9pt9MqyTNqroX4iChHdEOErGLv53s6XXCdnVvcVvk7sTpIUSxlOpe5X8aCpDBvCO5dbb_zeIyLavijK0wRvMBF6ipOMbVJ9Q.jpg)

![DECYOOL 657 Locking Pin Backs, Nickel-Plated Copper, 30-Pack — 4](https://www.ofertitastop.com/i/fVygd5KZVw3PNVMFNOXKWmQ0jqwpih2s_sM35xp0YFYhTMdalmgL-Yj0JGJEXTEFXPjnVl8ovHBlBxoicMZ3KsnkOUVUPT60_oCZ6Wdd0IApZcF7fYRcog6HYg.jpg)

![DECYOOL 657 Locking Pin Backs, Nickel-Plated Copper, 30-Pack — 5](https://www.ofertitastop.com/i/N75RZF4hvR-N6k4hJ3-aHKcp6ihuoRfAdrj5KU3OwsMn6skxB7lJx0jLmTJF7rG988dQm88bKqC-Oh95fvxqHQQ--CA2C25_jML4fXLzMbrTOFUz-z8H5ua-pw.jpg)