In BusinessSince 1987
AZ, CA, DE, FL, GA, IA, IN, MA, MD, MI, MO, NC, ND, NE, NJ, NY, OH, PA, TX, WI
This 3/8" drive, 1-3/4" extension is made with the friction ball. A spring loaded ball that line up with the socket retainer hole. Use caution when using this system because the socket is held in place only by spring pressure on the steel ball.