Product Description
These sockets are manufactured from the highest quality Chromium Molybdenum Steel, suitable for use with high power 3/8" drive pneumatic air tools and cordless power tools like impact wrenches.
Each socket has a 12 sided bi-hexagon profile and a ball retaining groove in each face of the square drive. This ensures a positive fit with all 3/8" square drive accessories.
There is also a hole in each side of the socket for use securing with a pin and ring if required.
These sockets are laser marked with the Britool Hallmark logo and part number.
Available sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm.
The HALLMARK range was developed by Britool in the 80's for the automotive aftermarket. it has been the professional’s choice ever since. Each tool is marked with the Britool hallmark 
, your guarantee of quality.
The Britool Hallmark guarantee covers against defective materials and/or workmanship when used for the purpose for which they were designed. In the unlikely event that a product fails during normal use, it will be repaired or replaced. The guarantee does not extend to fair wear & tear or moving parts such as ratchet mechanisms.