K-Tool 37042 42-pc 3/8" Drive 6pt Fractional SAE & Metric Impact Socket Set

42 piece fractional and metric impact socket set is manufactured from heat-treated chrome-moly steel for wear in professional, rugged environments. Set includes 8 short fractional sockets sized from 5/16" to 3/4", 8 deep fractional sockets sized from 5/16" to 3/4", 12 short metric sockets sized from 8mm to 19mm, 12 deep metric sockets sized from 8mm to 19mm, universal joint and 3" extension.