Sealey AK21974 Ribe/Spline/Hex/TRX-Star/Security TRX-Star Bit Set 74pc

Chrome Vanadium 6150 hex drive bits, each size in 30 and 75mm lengths.
Hardened and tempered for added strength.
Set includes 3/8" and 1/2"Sq drive to 10mm hex Chrome Vanadium steel bit adaptors.
Supplied in carry-case with inclined trays for quick and easy bit selection.