Feature: 1. MULTI ANGLE WOODWORKING RULER: The aluminum ruler slide stop has a 45 degree sliding block that allows you to easily draw angle lines at 45, 90, and 135 degrees. Accurate and convenient to use, which is best woodworking tools and accessories 2. HOLE PUNCHING RULER: The ruler features specially designed 1/2in, 3/4in, and 1in holes, allowing for more accurate drawing of different lines 3. COMPACT AND PORTABLE: The measuring tool is designed to be highly portable, compact in size, light in weight, easy to operate and easy to store in any workplace or toolbox 4. STRONG ALUMINUM STRUCTURE: The excellent strength and durability of the alloy material and anodized surface made of excellent aluminum ensure a long service life of the metal slide rule, even under frequent use and harsh conditions 5. DUAL SCALE: The T type scribing ruler is equipped with imperial and metric etched scales on both sides to ensure accurate measurements. Wear resistant, easy to read, easy to draw lines, suitable for a variety of work needs Specification: Item Type: Metal Slide Ruler Material: Aluminum alloy Size: 160mm: Approx. 160 x 42 x 10mm / 6.30 x 1.65 x 0.39in 200mm: Approx. 200 x 42 x 10mm / 7.87 x 1.65 x 0.39in 300mm: Approx. 300 x 42 x 10mm / 11.81 x 1.65 x 0.39in. Package List: 3 x Metal Slide Ruler