Socket set 19pc 1 2 sq drive total drive sealey premier ak70619 hardened and heat treated chrome vanadium steel total drive sockets with a fully polished mirror finish all are suitable for spline metric hex and metric bi hex and many are equivalent to trx star whitworth imperial hex and imperial bi hex includes knurled ring for extra grip with greasy fingers supplied in storage case sealey ak70619 socket set 19pc 1 2 sq drive total drive