--- product_id: 92917799 title: "Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2\" M12 Nut" brand: "dynofit" price: "B/.27" currency: PAB in_stock: true category: "Dynofit" url: https://www.desertcart.com.pa/products/92917799-dynofit-6-spline-tuner-lug-nuts-key-with-19mm-21mm store_origin: PA region: Panama --- # 6-point spline fit Dual 19mm & 21mm hex sockets 72h salt spray tested durability Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut **Brand:** dynofit **Price:** B/.27 **Availability:** βœ… In Stock ## Summary > πŸ”§ Unlock precision and power with every turn β€” don’t get left behind! ## Quick Answers - **What is this?** Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut by dynofit - **How much does it cost?** B/.27 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/92917799-dynofit-6-spline-tuner-lug-nuts-key-with-19mm-21mm) ## Best For - dynofit enthusiasts ## Why This Product - Trusted dynofit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Safety-First Design:** Durable teeth and shape reduce installation risks, protecting your wheels and tools from damage. - β€’ **Trusted Performance:** Backed by over 1,000 five-star reviews and salt spray tested for 72 hours, built to last on every drive. - β€’ **Precision Spline Fit:** Engineered exclusively for 6-point spline lug nuts ensuring a secure, slip-free grip every time. - β€’ **Unmatched Durability:** Cold forged CR-V steel with black plating resists rust and corrosion far beyond industry standards. - β€’ **Dual Hex Compatibility:** Versatile 19mm and 21mm hex sockets accommodate multiple wrench sizes for ultimate convenience. ## Overview The Dynofit 6 Spline Tuner Lug Nuts Key is a premium alloy steel tool designed specifically for 6-point spline lug nuts with M12x1.25, M12x1.5, and 1/2"-20 thread pitches. Featuring dual 19mm and 21mm hex sockets, it offers versatile compatibility with common wrench sizes. Its cold forged CR-V steel construction, enhanced by black plating, delivers superior rust and corrosion resistance, validated by a rigorous 72-hour salt spray test. Ideal for professionals and enthusiasts seeking reliable, long-lasting performance with a secure, slip-resistant fit. ## Description Buy Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut | 6 Spline Lug Nut Socket,for 1/2"-20 12x1.5 12x1.25 Wheel Nuts,for Wrench with 3/4" and 13/16" Hex,Aftermarket Socket Key,1PC: Lug Nuts - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases ## Features - Fitment: Only work with 6 Point/spline Lug Nuts, Typically 12x1.25, 12x1.5, 1/2-20'' thread pitch, Not work on hex or spike lugnuts. - Specification: ID:18mm, OD:20.5mm, Overtall:70mm, Depth:40mm; Works with multiple hex Socket:19mm(3/4'')&21mm(13/16'') - Performance: The socket with durable teeth and shape is more safer while you are installing the lug nuts and all of our products past 72 hours salt spray tested which can promise a longer service life compared to 48 hours for others. - Premium Material: Cold Forged CR-V Hard Steel(High Strength and Durability), quality durable surface dealing process which can offer better torque and prevents breakage. Black Plated would greatly improves rust&corrosion resistance and prevent the outer layer peeling easily. - Notice: Recommend hand tools to tight them, not powerful impact or it has danger to break the side or the teeth. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07GV73XC5 | | Best Sellers Rank | #7,795 in Automotive ( See Top 100 in Automotive ) #37 in Wheel & Tire Lug Nuts | | Brand | dynofit | | Color | Black | | Compatible Groove Diameter | 19 millimeters | | Customer Reviews | 4.5 4.5 out of 5 stars (1,049) | | Drive Style | Spline | | Exterior Finish | Passivated | | Fastener Type | / | | Finish Types | Black Plated | | Grade Rating | Class 10.9 | | Inside Thread Size | M12 X 1.5 | | Item Diameter | 18 millimeters | | Item Highlight | 6 Spline Lug Nut Socket,for 1/2"-20 12x1.5 12x1.25 Wheel Nuts,for Wrench with 3/4" and 13/16" Hex,Aftermarket Socket Key,1PC | | Manufacturer | Dynofit | | Material Type | Alloy Steel | | Metal Type | CR-V Steel | | Model | NKEY6B | | Number Of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Outside Diameter | 20.5 millimeters | | Part Number | 6-7-spline | | Screw Head Style | Hex | | Set Name | 6 Spline Socket Key | | Size Name | 6 Spline with Hex 3/4" and 13/16" | | Thread Class | / | | Thread Coverage | Fully Threaded | | Thread Size | M12x1.5,M12x1.25,1/2"-20 | | Thread Style | / | | Thread Type | Iso Metric | | UPC | 661748968306 | | Unit Count | 1 Count | ## Product Details - **Color:** Black - **Exterior Finish:** Passivated - **Fastener Type:** / - **Material:** Alloy Steel - **Thread Size:** M12x1.5,M12x1.25,1/2"-20 ## Images ![Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut - Image 1](https://m.media-amazon.com/images/I/317cQL9hj+L.jpg) ![Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut - Image 2](https://m.media-amazon.com/images/I/51HnBjPRvLL.jpg) ![Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut - Image 3](https://m.media-amazon.com/images/I/41yxsBJetsL.jpg) ![Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut - Image 4](https://m.media-amazon.com/images/I/41I8ODfFp8L.jpg) ![Dynofit 6 Spline Tuner Lug Nuts Key,with 19mm and 21mm Hex,for 1/2" M12 Nut - Image 5](https://m.media-amazon.com/images/I/51aCY55LvoL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - DYNOFIT 6 Spline Tuner Lug Nuts Key for Wrench with 3/4 inch (19mm) and 13/16 inch(21mm) Hex, Aftermarket Lugnuts Socket Replacement Tool for 1/2 inch 12x1.5 12x1.25 Lug Nut 1 Year Warranty - Circuit Performance Large Black 6 Point Spline Truck SUV Tool Key - Small 6 Point Spline Lug Nuts Key Tuner Socket Tool -Diameter Lock Lug Nut Key Compatible with 3/4 in (19mm) and 13/16 in(21mm) Hex Replacement Socket 12x1.5 12x1.25 1/2-20 10x1.25 3/8-20 Black --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.pa/products/92917799-dynofit-6-spline-tuner-lug-nuts-key-with-19mm-21mm](https://www.desertcart.com.pa/products/92917799-dynofit-6-spline-tuner-lug-nuts-key-with-19mm-21mm) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-10-02*