---
product_id: 559212052
title: "Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Red"
brand: "d'addario"
price: "€ 9.10"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.pt/products/559212052-flex-lock-strap-blocks-locks-straps-in-place-protect-your
store_origin: PT
region: Portugal
---

# Snap-on easy attachment 4 secure strap blocks No hardware or mods needed Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Red

**Brand:** d'addario
**Price:** € 9.10
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your sound, lock your style.

## Quick Answers

- **What is this?** Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Red by d'addario
- **How much does it cost?** € 9.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/559212052-flex-lock-strap-blocks-locks-straps-in-place-protect-your)

## Best For

- d'addario enthusiasts

## Why This Product

- Trusted d'addario brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Protect Your Investment:** Prevents accidental strap release, safeguarding your guitar during every performance.
- • **Effortless Snap-On Design:** Quickly attaches to any standard guitar strap for instant peace of mind.
- • **Affordable Security Upgrade:** Premium strap lock functionality at a fraction of the cost of metal locks.
- • **Sleek & Discreet Red Blocks:** Adds a pop of color while maintaining a low-profile, stylish look.
- • **Lock It Down, No Tools Required:** Transforms any strap into a secure locking strap without hardware changes.

## Overview

D'Addario Flex Lock Strap Blocks are a set of 4 nylon clip-on blocks designed to convert any standard guitar strap into a secure locking strap without requiring hardware changes or modifications. Easy to attach and remove, these red strap locks protect your instrument from accidental drops, offering an affordable, tool-free solution trusted by thousands of musicians worldwide.

## Description

The Flex Lock Strap Block provides simple, secure protection against accidental strap release. This straightforward solution to an age-old issue gets the job done without any tools or invasive installations, protecting your prized possession in style.

Review: Poor mans straplock - In zijn eenvoud prima. Ik drink geen Grolsch dus moest ik deze maar kiezen. Door lipje makkelijk te plaatsen.
Review: Great product - I have used the expensive metal strap locks for year and think they're great. However, I did have one break on me, so I thought I'd try an alternative. These little rubber gaskets work very well. The instrument is secure; the whole point this exercise. It is a 2-step process to remove the strap block and then the strap, but no big deal when you're only paying a few bucks for the item. The little pull tabs make the removal process much easier. Recommended.

## Features

- PROTECT YOUR GUITAR: D'Addario Flex Lock Strap Blocks–protecting your instrument and your performance. Turn your favorite guitar strap into a locking guitar strap.
- NO ADDITIONAL HARDWARE: Affordable strap lock solution without the need to replace any hardware. Strap security at a low cost without needing to mod your guitar.
- NO MODIFICATIONS: Without need of modification, the Flex Lock Strap Block clips onto your guitar strap to prevent your strap from releasing accidentally.
- EASY TO ATTACH: Snap on top of any Guitar Strap for a secure fit
- D’ADDARIO ACCESSORIES - D’Addario Accessories (formerly Planet Waves) has been leading the industry in innovative and problem-solving products that serve musicians worldwide.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CH8F7PVJ |
| Age Range Description | 12 years and up |
| Brand Name | D'Addario |
| Color | Red |
| Compatible Devices | All guitars with a standard strap |
| Customer Reviews | 4.6 out of 5 stars 1,599 Reviews |
| Fastener Type | Clip |
| Garment Size Country | France |
| Included Components | 4 Flex Lock Strap Blocks |
| Item Dimensions | 10 x 10 x 5 centimeters |
| Item Type Name | Guitar Strap Locks |
| Manufacturer | D'Addario & Co. |
| Manufacturer Part Number | PW-FLSB-04RD |
| Manufacturer Warranty Description | Replace if Defective |
| Material Type | Nylon |
| Number of Items | 1 |
| Pattern | Solid |
| Size | 10 x 10 x 5 cm |
| Style Name | Classic |
| Style Number | PW-FLSB-04RD |
| UPC | 019954392406 |
| Unit Count | 4.0 Count |

## Images

![Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Red - Image 1](https://m.media-amazon.com/images/I/61nRLYCqx3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Poor mans straplock
*by R***. on 4 March 2026*

In zijn eenvoud prima. Ik drink geen Grolsch dus moest ik deze maar kiezen. Door lipje makkelijk te plaatsen.

### ⭐⭐⭐⭐⭐ Great product
*by B***E on 23 September 2024*

I have used the expensive metal strap locks for year and think they're great. However, I did have one break on me, so I thought I'd try an alternative. These little rubber gaskets work very well. The instrument is secure; the whole point this exercise. It is a 2-step process to remove the strap block and then the strap, but no big deal when you're only paying a few bucks for the item. The little pull tabs make the removal process much easier. Recommended.

### ⭐⭐⭐⭐⭐ Bästa för gitarren.
*by P***S on 7 April 2026*

Bästa för gitarren.

## Frequently Bought Together

- D'Addario Accessories Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Red
- D'Addario Dual-Lock Guitar Strap Lock - Guitar Strap Locks Set - Protect Your Instrument with No Modifications or Hardware - Secures Cables - Easy to Attach - 1 Pair,Black
- Ernie Ball Polypro Guitar Strap, Black (P04037)

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**Shop now:** [https://www.desertcart.pt/products/559212052-flex-lock-strap-blocks-locks-straps-in-place-protect-your](https://www.desertcart.pt/products/559212052-flex-lock-strap-blocks-locks-straps-in-place-protect-your)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-06*