Grey Pneumatic (GRE4003E) 1" Drive x 3" Extension w/ Pin Hole

Features and Benefits:

• Designed to work with Grey Pneumatic's 1" drive sockets and socket sets
• It features a pin hole, creating the most secure socket system available
• Made from high quality chrome-molybdenum steel
• Heat treated for strength and durability
• Size markings are hard stamped into the socket for easy identification