Prestige-Combination-Square-Black-Aluminium-300mm-12in-Faithfull-717L12-p-The-Faithfull-Prestige-Combination-Square-is-manufactured-from-aluminium-using-computer-numerical-controlled-CNC-machines-The-black-anodised-finish-offers-enhanced-corrosion-protection-and-the-laser-engraved-scales-give-outstanding-measurement-accuracy-This-versatile-tool-for-use-in-both-woodworking-and-metalwork-projects-may-be-used-as-an-internal-and-external-try-square-T-square-slide-mitre-square-vertical