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 CM190 Micrometer £20.16 Clarke ET135 12″ Engineers Rule £12.54 Clarke CM170 Combination Square Set £52.98 Clarke CM210 Micrometer £19.81