Grey Pneumatic 1/2"" Drive 3"" Heavy Duty Extension w/F.B. Retainer

Features and Benefits:

• Designed to work with Grey Pneumatic's 1/2"" drive sockets and socket sets
• Features a friction ball which is a spring loaded steel ball that lines up with the socket retainer hole
• This heavy duty extension is able to take on severe service applications
• Made from high quality chrome-molybdenum steel
• Heat treated for strength and durability