1/2pcs Steel Ruler Positioning Block Angle Scriber Line Marking Gauge for Ruler Locator Woodworking Carpentry Scriber Tools Features: Enhanced Accuracy: This steel ruler positioning block ensures precise and accurate wood drilling, making your woodworking projects easier and more professional. Versatile Compatibility: Suitable for steel rulers with a thickness of 0-3.5mm and a width of 0-30mm, making it compatible with various measuring tools and woodworking applications. Easy to Use: With its simple installation and user-friendly design, this positioning block is easy to install and provides convenience in marking and measuring tasks. DIY Woodworking: Ideal for surface, T-shaped, and L-shaped joints, this tool enables quick connections and enhances the efficiency of furniture and woodworking DIY projects. Durable Construction: Made of high-quality aluminum alloy, this positioning block ensures durability and long-lasting performance for your woodworking needs. Specifications: Product Size: 53*14mm Product Package: PE Bag Product Material: Aluminum Alloy Suit for: thickness of 0-3.5mm and a width of 0-30mm ruler Optional Quantity: 1/2PCS Package Included: 1/2 x Steel Ruler Positioning Block (depending on the selected quantity)