Product Description
Impact grade sockets with a reverse tapered internal thread design which grips the nut when rotated counter clockwise.
Ideal for stripped wheel nuts or removing security studs without a key.
Designed for high impact, suitable for cordless impact wrenches and pneumatic air tools.
Available sizes: 17, 18.5, 21.5, 23, 24.5, 26mm.
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.