The Blue Spot Tools 32 Blade Feeler Gauge is manufactured from carbon steel for increased durability. Used for checking clearances on ignition points, spark plug gaps etc. Individual increments in both imperial and metric, 0.0015†to 0.035†/ 0.038mm to 0.889mm plus. 010mm brass blade. Manufactured from heat treated carbon steel Ideal for measuring narrow gaps Imperial and metric sizes 84mm x 12.7mm blade dimension
