1、THICKENING MATERIAL: The whole body of the triangle ruler is forged with excellent thickening aluminum alloy, accurate processing, exquisite workmanship, the overall is beautiful and strong 2、VARIOUS FUNCTIONS: Woodworking triangle ruler dimension scribing triangle ruler, support fixed angle scribing, straight ruler, angle measurement, to meet a variety of line drawing needs 3、EASY MARKING: The woodworking measurement tool is a ruler with a protruding edge and a right angle on one side for easy marking, useful and practical 4、A VARIETY OF ANGLES: 45° positioning angle, triangle against the hypotenuse, positioning 45° angle line; 30° positioning angle, the middle line of the triangle, positioning 30° angle marking; 90 degree line, right angle side, 90 degree line on the side 5、SMALL ACCESSORY: Carpenter triangle ruler can also be used as accessories, unlimited trends. Hanging hole design, can be stored with your own lanyard, can act as a unique trinket, add unlimited glamour for your daily collocation