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 CM130 Locking Vernier Caliper £22.62 Clarke PRO325 24†Breaker Bar – 1/2†Drive £25.45 Clarke CM190 Micrometer £20.16 Clarke CM170 Combination Square Set £52.98