--- product_id: 570070692 title: "Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Black" brand: "d'addario" price: "£6.61" currency: GBP in_stock: true reviews_count: 13 category: "D'addario" url: https://www.desertcart.co.uk/products/570070692-flex-lock-strap-blocks-locks-straps-in-place-protect-your store_origin: GB region: United Kingdom --- # Universal fit for all straps Locks straps securely 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 - Black **Brand:** d'addario **Price:** £6.61 **Availability:** ✅ In Stock ## Summary > 🔒 Lock in your vibe, not your guitar strap! ## 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 - Black by d'addario - **How much does it cost?** £6.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/570070692-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 - • **Pro-Grade Protection:** Trusted by musicians worldwide to safeguard guitars from accidental drops and strap slips. - • **Effortless Attachment:** Snap-on blocks install in seconds, keeping your strap firmly in place during every performance. - • **Lightweight Yet Durable:** Crafted from flexible rubber/plastic, these blocks add minimal weight but maximum peace of mind. - • **Strap Security, Simplified:** Transform any guitar strap into a reliable locking strap without replacing hardware. - • **Zero Modifications, Zero Hassle:** Clip-on design means no drilling, no tools, no permanent changes to your instrument. ## Overview D'Addario Flex Lock Strap Blocks are a set of four black rubber/plastic clips designed to secure guitar straps without any hardware changes or modifications. Lightweight (10g total) and easy to attach, they provide a cost-effective, universal solution trusted by professionals to prevent accidental strap release and protect instruments during play. ## Description Free delivery and returns on eligible orders of £20 or more. Buy D'Addario Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Black at desertcart UK. Review: Decent and functional - Good quality and value considering the expensive other options easy to assemble no problem with use and design ok too. Review: Quality, solid product to help keep your guitar strap attached. - Good value for money, fits on Gibson and Fender guitars, its a quality rubber, is versatile and can be stretched, easy to use, remember to put on top of the strap, sometimes they can come off when playing, if your strap locks are too small. ## 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 | B0CH8GD2Q7 | | Best Sellers Rank | 254 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 2 in Strap Locks | | Body Material | Plastic/Rubber | | Colour | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (1,424) | | Date First Available | 15 Sept. 2023 | | Item Weight | 10 g | | Item model number | PW-FLSB-04BK | | Material Type | Plastic | | Product Dimensions | 10 x 10 x 5 cm; 10 g | ## Images ![Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Black - Image 1](https://m.media-amazon.com/images/I/61s+R59XfkL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Decent and functional *by M***X on 12 February 2026* Good quality and value considering the expensive other options easy to assemble no problem with use and design ok too. ### ⭐⭐⭐⭐⭐ Quality, solid product to help keep your guitar strap attached. *by D***N on 5 May 2026* Good value for money, fits on Gibson and Fender guitars, its a quality rubber, is versatile and can be stretched, easy to use, remember to put on top of the strap, sometimes they can come off when playing, if your strap locks are too small. ### ⭐⭐⭐⭐⭐ Cheap and do the job! *by P***N on 30 March 2026* Great, cheap and do the job, when you’re swinging your axe around like Townsend! Well in front of the mirror anyway! Thankyou! Best Paul👍 ## Frequently Bought Together - D'Addario Flex Lock Strap Blocks - Locks Straps In Place - Protect Your Instrument with No Modifications or Hardware - Easy to Attach - Set of 4 Blocks - Black - 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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/570070692-flex-lock-strap-blocks-locks-straps-in-place-protect-your](https://www.desertcart.co.uk/products/570070692-flex-lock-strap-blocks-locks-straps-in-place-protect-your) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-26*