Features CORROSION RESISTANT MATERIAL: The body of T-square ruler is made of CNC machined aluminum alloy, the surface is rust and corrosion resistant after anodization treatment and durable ACCURATE MEASUREMENT: The carpenter work ruler is equipped with an accurate metric double scale, making it easy to read and facilitate woodworking MULTI-ANGLE MEASUREMENT: The T-square ruler protractor is simple and practical, suitable for multi-angle marking, parallel marking and other work scenarios SAVE TIME AND EFFORT: The Crafting T-Square Ruler features adjustable angle markings that increase accuracy and save measuring time by moving and rotating the adjustable angle indicator 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: aluminum alloy Usage: 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)