3-10mm drill bit fixed hole position, various sizes of hole position to meet your production needs.Clear laser engraving scale, accurate and easy to read. The surface is finely polished and feels comfortable.Made of high-quality aluminum alloy, . Exquisite workmanship, high hardness and durability.Used to measure three-dimensional objects: wood, pipes, etc. Can be used as a marking gauge for parallel linesVery suitable for three-dimensional marking, can measure 45 degrees and 90 degrees. Professional design, easy to use and simple to operate.Name:multipurpose T-squareQuantity:2pcs/setColour:RedMaterial:Aluminum alloySize:irregular ruler:167mmx62mm; rectangular ruler:110mmx73mm;thickness:3mmPackage Contents:1 * irregular ruler1 * rectangular rulerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.