Product Description
16mm & 21mm 3/8" drive 6-point spark plug sockets with magnetic insert to retain plug.
Approx. length 62mm & 65mm.
Stamped with the modern Marque of Skill branding & finished in high polished chrome.
The 16mm can be used with a 3/8" drive ratchet or 19mm spanner.
The 21mm can be used with a 3/8" drive ratchet or 22mm spanner.
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.