1 / 32 ' ' hole pitches , high-precisions marking dimension This T-shaped aluminum alloy right angles ruler can realize multiple functions such as horizontal line , vertical line , long line , short line , parallelline and right angles line This T shaped aluminum alloy right angles marking ruler is suitable for positioning and marking wood and glass at right angles and isometrics marking This T shaped aluminum alloy right angles ruler is aluminum alloy and anodized and the texture is lightweight Adopting a semicircular handle design , the is more and, Manufacturer: Watreketal