Marking & Measuring > Squares Mark perfectly parallel to the edge of your stock 90° precision machined T-square Easy-to-read 5mm marks and 10mm etched numbers along the blade Scribing guides included at 1mm increments from 5mm – 260mm. Anodised Aluminium Simply place the pencil in the desired hole and scribe a perfectly parallel line by sliding the T-Square along the edge of the timber. Carbatec Woodworking T-Square 260mm | Mark perfectly parallel to the edge of your stock 90° precision machined T-square Easy-to-read 5mm marks and 10mm etched numbers along the blade Scribing guides included at 1mm increments from 5mm – 260mm. Anodised Aluminium Simply place the pencil in the desired hole and scribe a perfectly parallel line by sliding the T-Square along the edge of the timber.