Features CORROSION RESISTANT MATERIAL: the body of the T square ruler is made of CNC machined aluminum alloy, the surface is rust and corrosion resistant after anodizing treatment and durable ACCURATE MEASUREMENT: the carpenter work ruler is equipped with an accurate metric double scale, which makes it easier to read and make woodworking easier Multi-angle measurement: the T-square ruler protractor is simple and practical, suitable for multi-angle markings, parallel markings and other work scenarios Save time and effort: the Crafting T square ruler features adjustable angle markings that increase accuracy and save measurement time by moving and rotating the adjustable angle display to adjust any angle from 15° to 90° With pencil: the carpenter work ruler comes with a mechanical pencil, and can be used for line drawing and measuring, practical and useful Specification: Item Type:T Square Ruler Material: aluminium alloy. Use: line drawing, measurement Package list: 1 x T-square ruler, 1 x mechanical pencil Package List 1 x T Square Ruler 1 x Mechanical Pencil (Random Delivery)