Draper 16765 B-EXT/B/4 1/4" Square Drive Extension Bar Set (4 Piece)

Expert Quality, manufactured from chrome vanadium steel hardened and tempered with a polished finish.
Enables sockets to be driven at up to 15° to the vertical.
Spring-loaded ball bearing for secure socket holding.
Display packed.
Contents: 50, 100, 150, 250mm