• Aluminium profited mitre heel • Available in 140 x 250mm, 200 x 300mm, 200 x 400mm • Extruded aluminium stock is triple riveted to the blade for strength and accuracy • High visibility photo etched graduated stainless steel blade engraved with deep hollow (GRAVEMAT procedure) • mm graduations on both sides • Stock bevelled for setting out both 90° and 45° angles