Features 1、Our T type ruler is cast from aluminum alloy, the surface is anodized, and the texture is light. 2、This aluminum alloy T shaped right angle scribing ruler has clear scales and red color, which is beautiful. 3、The measuring accuracy of this T shaped ruler is 1mm, the scale is accurate, and the operation is convenient. 4、The hole ruler scribe can realize multiple functions such as horizontal line, vertical line, long line, short line, parallel line, right angle line and so on. 5、It is suitable for positioning and marking the right angle and equidistant marking of wood and glass. Specification Item Type: T Ruler Material: Aluminum Alloy 6061 Color: Red Purpose: Special for Glass And Wood, Art Ruler, Carpenter Ruler, Drawing Advertisement Ruler Package List 1 x Ruler 1 x Right Angle Handle 1 x Allen Wrench 4 x Screw