Professional extensions for commercial or occasional use 7pc mixed drive wobble extension bar set Manufactured from chrome vanadium steel for strength and durability Wobble extension bars - this allows access to reach most angles which would otherwise be impossible to reach) Knurled ring around the extensions for maximum grip in oily / slippy conditions By pushing the sockets onto the extension bar further this will also allow the extension bar to be non wobble and rigid instead 1/4", 3/8" and 1/2" extension bar set SET INCLUDES THEFOLLOWING • 1 x 1/4" drive extension bar 50mm (2") • 1 x 1/4" drive extension bar 100mm (4") • 1 x 1/4" drive extension bar 150mm (6") • 1 x 3/8" drive extension bar 75mm (3") • 1 x 3/8" drive extension bar 150mm (6") • 1 x 1/2" drive extension bar 125mm (5") • 1 x 1/2" drive extension bar 250mm (10") Comes in a plastic tray for easy storage and transportation