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 ET135 12″ Engineers Rule £12.54 Clarke ET111 Machinists Steel Sqare (200mm) £19.10 Clarke ET153 – 3 Piece Spring Caliper Set £24.04 Clarke CM130 Locking Vernier Caliper £22.62