Clarke ET109 Machinists Steel Square (100mm)£13.67 In stock Clarke ET109 Machinists Steel Square (100mm) quantity Add to basket EAN: N/A SKU: 1700145 Category: Engineering Hand Tools - Measuring Equipment Related products Clarke ET133 3 Piece Spring Caliper Set £19.81 Clarke ET134 6″ Pocket Rule £10.49 Clarke ET151 Steel Machinist Square (250mm) £28.98 Clarke CM220 Dial Test Indicator £23.34