This premium quality 8 mm is 55 mm long and is supplied with 3/8" drive base. The 8 mm is commonly used for drive shaft bolts (where the inner CV bolts to the tranny flange) and some door hardware. Top quality Metalnerd® brand made from S2 tool steel.
NOTE: Some late model cars use the 10 mm size for inner CV bolts.
Not for impact tool usage.