Siegen s01071 t handle socket and bit set 1 4in square drive 21 piece siegen tools s01071 p this 21 piece t handle socket and bit set from siegen manufactured from hardened and tempered chrome vanadium steel tough composite comfort grip handle allows extra torque to be applied to the fixing p p contents 1 4in square drive sockets 5 6 7 8 9 10 11 12 13mm 1 4in hex bits slotted 5 6mm phillips 0 1 2 3 pozi 0 1 2 3 1 4in square 1 4in hex bit adaptor