Clarke ET151 Steel Machinist Square (250mm)£28.98 In stock Clarke ET151 Steel Machinist Square (250mm) quantity Add to basket EAN: 5016086203704 SKU: 1700326 Category: Engineering Hand Tools - Measuring Equipment Related products Clarke CM170 Combination Square Set £52.98 Clarke CM220 Dial Test Indicator £23.34 Clarke CHT625 Combintation Try Square £17.20 Clarke ET135 12″ Engineers Rule £12.54