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 ET134 6″ Pocket Rule £10.49 Clarke CM150 Dial Caliper £26.16 Clarke CM250 Measuring Set £43.78 Clarke CHT614 406mm (16″) Combination Square £24.75