Product Description A set of pin gauges ideal for precision measurement of hole sizes, hole distance, pitch diameter of the thread, especially for curve flute wide measurement. Also ideal for gauging location, gauge slots, distance between holes, go & no-go gauging, setting other gauges and micrometers. The pin gauges are housed in a tailor made fitted protective case with sizes clearly labelled. Key Features - Fully hardened alloy steel - Heat treated to hardness of greater than 63HRC - Gauges are cylindrical with pin length of 50mm or 2" - Measuring size in increments of 0.02mm - Tolerance: +0.0002/-0.0000 - Conforms to ISO standards for guaranteed accuracy and reliability - Pin gauge handle included (vary according to set) - Furnished in attractive moulded, plastic fitted case. Specification -Imperial Pin Gauge Set -Range: 0.011" - 0.060" (step 0.001") -Contains 50 Pieces