Britool Extension 250mm 3/8in Drive
is no longer available although you may find similar or newer versions below:
The Britool 3/8 inch extensions are crafted from chrome vanadium steel and finished in high chrome. This product is for manual use only.
ISO 3315, DIN 3122, ISO 1174-1.
The Britool BRIE117364B has the following dimensions:Size: 250mm Weight: 230 g