Imperial Gauge Block Set (E81) Grade 2 Manufactured to ISO3650 from heat treated stress relieved steel, UKAS Certificate option

Specification Manufactured from high quality stress relieved steel Heat treated to HRC65 for high resistance to wear Slip gauges set quantity: 81 pieces Set contains gauge blocks: 0.1001" thru 0.1009" in .0001" steps, 0.101 thru 0.149" in 0.001" steps, 0.05" thru 0.95" in 0.05" steps, 1" thru 4" in 1" steps English sizes Slip gauge sets Grade 2 UKAS option adds adds 7 / 10 days Part Number ES-13630