Sealey 7 piece hex ball end socket bit set metric 3 8 sq drive 62mm sealey premier ak621 forged chrome vanadium steel sockets with s2 steel hex bits sockets heat treated and chrome plated for resistance to corrosion ball end bits allow fixings to be driven with the hex shaft up to 30 satin finish with knurled ring to assist gripping socket with oily fingers supplied with socket rail sealey ak621 hex ball end socket bit set 7pc metric 3 8 sq drive 62mm