00331 tub500 #2 reduced 1in.phillips 1" insert bits easy to use the product is manufactured in china isomax a contractor quality machined from high quality chrome vanadium molybdenum tool steel outperforms the competition based on independent test results. plastic tub with cap safely stores all your eazypower bits for use when you need them. insert bit, application - tools impact, fastening tool tip size #2, hex shank size 1/4 in, overall bit length 1 in, fastening tool material s2 steel, single end/double end single end, includes #2 phillips, hex, non reduced, shock absorber, impact rated yes, unfinished,