Description STANDARD T-SQUARESExcellent for students, designers, artists and others whose work environment does not subject tools to excessive abuse. Hard tempered aluminum blade calibrated two edges 8th and 16ths, one side securely riveted to rugged, impact resistant Lexan head. Head calibrated left and right from center point, bottom edge, one side. Head width: 9" - same as ALV-L18
