Clarke ET151 Steel Machinist Square (250mm)£28.98 In stock Clarke ET151 Steel Machinist Square (250mm) quantity Add to basket EAN: 5016086203704 SKU: 1700326 Category: Engineering Hand Tools - Measuring Equipment Related products Clarke CM100 Vernier Caliper £19.10 Clarke ET134 6″ Pocket Rule £10.49 Clarke CM190 Micrometer £20.16 Clarke CM150 Dial Caliper £26.16