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 ET111 Machinists Steel Sqare (200mm) £19.10 Clarke ET110 Machinists Steel Square (150mm) £15.57 Clarke ET153 – 3 Piece Spring Caliper Set £24.04 Clarke CM160 Dial Caliper £26.16