EBay A combination square with 300mm long, hardened steel sliding rule marked in both metric and imperial units. Handle can slide along the rule and be clamped at any position Heavy-duty die cast metal body Brass nut and scriber fittings Handle also features a spirit level and 45° angle Uses include inside and outside try-square, mitre square, spirit level, 45° level, depth gauge, height gauge and marking gauge type 50858 Our eBay Store 50858 300mm Combination Square Product Details Name Value Type Combination square Material Steel Length 300mm Imperial or Metric Metric/Imperial A combination square with 300mm long, hardened steel sliding rule marked in both metric and imperial units. Handle can slide along the rule and be clamped at any position Heavy-duty die cast metal body Brass nut and scriber fittings Handle also features a spirit level and 45° angle Uses include inside and outside try-square, mitre square, spirit level, 45° level, depth gauge, height gauge and marking gauge type 50858