RUKO Hand Taps MF DIN 2181 HSS MF 14 x 1mm, 2 Pce discount_WEIDMULLER Set Size Range Max : ELO288E 900 Set Size Range Max : 1 in CAT III 1000V IP rating IP 67 Power Three AA batteries Battery life 800 hours General Specifications Display Bar graph backlight Yes Yes Data storage Min Max Avg Yes Reading hold Yes Other features Relative readings (zero) Yes Battery type Three AA batteries Warranty and protection Safety rating CAT IV 600 V CAT III 1000 V Mine safety MSHA Approved External protection Rubber holster Drop test 10 feet drop test Dustproof waterproof Yes The hand tap consists of heavy duty high speed steel The thread is cut in three operation