Product Description
Britool Hallmark 3/8" Drive Metric Impact Sockets – Chrome Molybdenum Steel
Designed for professional automotive and workshop use, these Britool Hallmark 3/8" drive impact sockets are manufactured from high-quality Chromium Molybdenum (CR-MO) steel to withstand the demands of high-power pneumatic air tools and cordless impact wrenches.
Each socket features a 12-point bi-hexagon profile for a secure fit on fasteners, along with a precision-machined ball retaining groove in the square drive for a positive connection with all 3/8 inch drive accessories. A retaining pin hole is also included on each side of the socket, allowing use with pin and ring security systems where required.
For easy identification, every socket is laser marked with the Britool Hallmark logo and part number, ensuring professional quality and traceability.
Available sizes:
6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, and 24mm
Ideal for mechanics, technicians, and professional workshops requiring reliable impact sockets for automotive repairs, servicing, and heavy-duty fastening applications.
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.