--- product_id: 358237785 title: "FIRSTINFO Metal-LOCK-Powerful-Magnet -Attached 20 inch (508mm) Lockable & Twin Scale Widen Profile Contour Shape Duplicator Gauge Convenient for Magnetic Attraction" brand: "firstinfo" price: "฿8405" currency: THB in_stock: true url: https://www.desertcart.co.th/products/358237785-firstinfo-metal-lock-powerful-magnet-attached-20-inch-508mm-lockable store_origin: TH region: Thailand --- # 20-inch wide profile with 5.1-inch width for larger contours Metal locking mechanism for secure shape hold 8 powerful magnets for firm magnetic attachment FIRSTINFO Metal-LOCK-Powerful-Magnet -Attached 20 inch (508mm) Lockable & Twin Scale Widen Profile Contour Shape Duplicator Gauge Convenient for Magnetic Attraction **Brand:** firstinfo **Price:** ฿8405 **Availability:** ✅ In Stock ## Summary > 🔧 Lock, Magnetize, and Measure Like a Pro! ## Quick Answers - **What is this?** FIRSTINFO Metal-LOCK-Powerful-Magnet -Attached 20 inch (508mm) Lockable & Twin Scale Widen Profile Contour Shape Duplicator Gauge Convenient for Magnetic Attraction by firstinfo - **How much does it cost?** ฿8405 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/358237785-firstinfo-metal-lock-powerful-magnet-attached-20-inch-508mm-lockable) ## Best For - firstinfo enthusiasts ## Why This Product - Trusted firstinfo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Magnetic Mastery:** 8 strong magnets let you attach the gauge firmly to metal surfaces, making hands-free measuring a breeze. - • **Versatile Pro Tool:** Ideal for woodworking, auto body, tile fitting, and any project demanding exact shape duplication. - • **Wide & Ready for Big Jobs:** Expanded 5.1-inch width profile captures larger, complex shapes with precision. - • **Lock It Down with Confidence:** Durable metal lock keeps your contour shape perfectly fixed—even if dropped. - • **Built to Last, Backed to Support:** Premium ABS plastic pins ensure flexibility and durability, plus a 12-month warranty for peace of mind. ## Overview The FIRSTINFO 20-inch contour gauge features a robust metal locking mechanism and 8 powerful magnets for secure, precise shape duplication. Its widened 5.1-inch profile captures larger contours effortlessly, making it an essential tool for professionals in woodworking, automotive, and tile fitting. Constructed with durable ABS plastic pins and backed by a 12-month warranty, this gauge combines reliability with convenience for flawless measurements every time. ## Description FIRSTINFO Metal-Lock-Powerful-Magnet -Attached 20 inch (508mm) Lockable & Twin Scale Profile Contour Shape Duplicator Gauge Convenient for Magnetic Attraction ## Features - 【Locking Mechanism & Widen Feature 】FIRSTINFO’s contour gauge shape duplicator is upgraded with “metal locking mechanism”, which is much more durable than plastic lock. Easily lock the contour shape according to your needs. Once the pins are locked, and it helps you to lock the pins in place, so they won't be moved even falling from high place. The width reaches 5.1 inches, while the width of the ordinary one is 3.74 inches. - 【With 8 " Powerful Magnets】FIRSTINFO’s contour gauge shape duplicator comes with EXTRA 8 " Powerful Magnets" on the back allows sticking to the iron products firmly and make measuring and cutting much easier and will not scratch the original finish. - 【Easy to Use 】To hold and measure the shape of large objects conveniently, instant template for curved shapes and irregular objects. Press the teeth against the object to match the contour and then trace the shape you need. Easily to copy any shape or duplicate a profile exactly. Trim & trace the outline and cut into shape. - 【Multiple Applications】For any kind of work needs the contour or shape duplication. In woodworking, auto body, auto metal sheet, stainless steel or any job of contour and shape duplication. Ideal for fitting tiles, laminate, carpet, checking dimensions, molding, etc. Useful tool for operations on car bodies, carpentry, checking dimensions, and for all kinds of modelling. - 【Premium Quality & Stronger construction】Constructed of high quality, tough, durable plastic ABS plastic pins for strengthen and flexible use. We provide you with quality assurance tools with 12 months of after-sales warranty support. Help you to achieve a satisfactory shopping experience. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | FIRSTINFO TOOLS | | Part number | F3946EL | | Item Weight | 950 g | | Product Dimensions | 54 x 11 x 3 cm; 950 g | | Item model number | F3946E | | Size | 20 Inch | | Color | Red | | Material | Plastic | | Item Package Quantity | 1 | | Number Of Pieces | 1 | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Brand:** FIRSTINFO - **Material:** Plastic - **Item dimensions L x W x H:** 54 x 11 x 3 centimeters - **Item weight:** 950 Grams - **Screen size:** 2E+1 Inches ## Images ![FIRSTINFO Metal-LOCK-Powerful-Magnet -Attached 20 inch (508mm) Lockable & Twin Scale Widen Profile Contour Shape Duplicator Gauge Convenient for Magnetic Attraction - Image 1](https://m.media-amazon.com/images/I/71ZjsohVj3L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - FIRSTINFO Metal-Lock-Powerful-Magnet -Attached 20 inch (508mm) Lockable & Twin Scale Widen Profile Contour Shape Duplicator Gauge Convenient for Magnetic Attraction - JOREST Connectable Contour Gauge (10+5 Inch), Gifts Ideas for Men Dad Handyman Husband Him, Shape Profile Duplicator with Lock, Outline Angle Measuring Tool, Template tool, Tile Flooring, Scribe Edge --- ## 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.th/products/358237785-firstinfo-metal-lock-powerful-magnet-attached-20-inch-508mm-lockable](https://www.desertcart.co.th/products/358237785-firstinfo-metal-lock-powerful-magnet-attached-20-inch-508mm-lockable) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-30*