--- product_id: 54304790 title: "Black TUSQ XL by Graph Tech Nut 6 Stringg Electric Nut 42 X 6 PT-6642-00" brand: "graph tech guitar labs" price: "$30.67" currency: USD in_stock: true reviews_count: 13 category: "Graph Tech Guitar Labs" url: https://www.desertcart.us/products/54304790-black-tusq-xl-by-graph-tech-nut-6-stringg-electric store_origin: US region: United States of America --- # Precision engineered for 6-string guitars Enhances harmonic richness & sustain PTFE-infused for ultra-smooth tuning Black TUSQ XL by Graph Tech Nut 6 Stringg Electric Nut 42 X 6 PT-6642-00 **Brand:** graph tech guitar labs **Price:** $30.67 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your tone, lock in your legacy. ## Quick Answers - **What is this?** Black TUSQ XL by Graph Tech Nut 6 Stringg Electric Nut 42 X 6 PT-6642-00 by graph tech guitar labs - **How much does it cost?** $30.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/54304790-black-tusq-xl-by-graph-tech-nut-6-stringg-electric) ## Best For - graph tech guitar labs enthusiasts ## Why This Product - Trusted graph tech guitar labs brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pro-Grade Upgrade:** Trusted by builders and pros to elevate guitar sound and sustain. - • **Ultra-Smooth Tuning:** PTFE impregnation ensures effortless string movement and stable tuning. - • **Durable Synthetic Ivory:** Man-made ivory material offers consistent quality and long-lasting reliability. - • **Unlock Hidden Harmonics:** Experience richer, fuller tones with every note. - • **Precision Fit for 6-String:** Custom-sized 42 x 6 mm for perfect compatibility and performance. ## Overview The Graphtech Black TUSQ XL Nut is a precision-engineered synthetic ivory guitar nut designed for 6-string electric guitars (42 x 6 mm). Infused with PTFE, it reduces friction for improved tuning stability while enhancing harmonic content and sustain, making it a must-have upgrade for serious guitarists seeking professional-grade tone and performance. ## Description graphtech black tusq nut 6 string electric 42 x 6 Review: Excellent quality, really works - Excellent nut, very useful to maintenance the guitars in tune and affects the sound in very positive ways totally recommend it Review: Amazing tone - Fitted this on my ES 335 style self build. The tone, resonance and sustain compared to when the original nut was fitted is miles better. I couldn't believe changing this one small component could make such a huge difference but it did. ## Features - GraphTech Black TUSQ XL Guitar Nut - Graphtech Black Tusq Nut 6 String Electric 42 X 6 - Designed to boost guitar performance, TUSQ XL is precision engineered and specially formulated to bring out the hidden harmonics and richness in every note. - TUSQ XL is based on the highly resonant TUSQ man made ivory and impregnated with PTFE, the slipperiest substance on earth, to improve the tuning performance of the guitar. - Improved tuning stability, improved harmonic content ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004HR1MV8 | | Best Sellers Rank | 6,819 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 269 in Guitar Strings | | Brand Name | GRAPH TECH GUITAR LABS | | Colour | Black | | Customer Reviews | 4.7 4.7 out of 5 stars (418) | | Finish Types | Mat | | Item Dimensions | 42 x 6 x 8 millimetres | | Item Type Name | Guitar Top Nut | | Item Weight | 5 g | | Manufacturer | GRAPHTECH | | Manufacturer Part Number | PT-6642-00 | | Material Type | Ivory Synthetic | | Model Number | PT-6642-00 | | Number Of Items | 1 | | Number of Pieces | 1 | | Product Warranty | One year. | | Size | 42 X 6 | | UPC | 702725121748 | | Unit Count | 1.0 count | ## Product Details - **Brand:** GRAPH TECH GUITAR LABS - **Colour:** Black - **Finish type:** Mat - **Item dimensions L x W x H:** 42 x 6 x 8 millimetres - **Item weight:** 5 g - **Manufacturer:** GRAPHTECH - **Material:** Ivory Synthetic - **Number of pieces:** 1 - **Size:** 42 X 6 - **UPC:** 702725121748 ## Images ![Black TUSQ XL by Graph Tech Nut 6 Stringg Electric Nut 42 X 6 PT-6642-00 - Image 1](https://m.media-amazon.com/images/I/51lPXFP4v6S.jpg) ## Questions & Answers **Q: I bought this nut and it would perfectly on my ltd ec-256, if it would only be higher. with this one the strings touch the fret. can anyone help?** A: I had the exact same problem for my Epiphone SG. I ordered the Tusq PT-6061-00 instead which is higher and slightly longer. Had to sand it to fit but it solved the problem. I had to order from the seller's own website as Amazon didn't have the correct one. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent quality, really works *by M***A on 23 January 2024* Excellent nut, very useful to maintenance the guitars in tune and affects the sound in very positive ways totally recommend it ### ⭐⭐⭐⭐⭐ Amazing tone *by A***R on 6 June 2022* Fitted this on my ES 335 style self build. The tone, resonance and sustain compared to when the original nut was fitted is miles better. I couldn't believe changing this one small component could make such a huge difference but it did. ### ⭐⭐⭐⭐⭐ Perfect fit *by M***E on 8 April 2021* Perfect fit for my schecter blackjack SLS C-1 EX P. Straight out of the package straight onto my guitar. ## Frequently Bought Together - Model 6642-00 Nut Slotted L42.05mm - Black TUSQ XL - GraphTech PT606000 TUSQ XL Black Self-Lubricating Slotted Nut, Epiphone Style --- ## 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.us/products/54304790-black-tusq-xl-by-graph-tech-nut-6-stringg-electric](https://www.desertcart.us/products/54304790-black-tusq-xl-by-graph-tech-nut-6-stringg-electric) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-25*