3/4” Drive Truck Pinion Socket Set These sockets are designed and built to have proper clearance for yoke and locknut assemblies on a variety of truck transmissions and differentials. The sockets have 3 of useable depth and are 4 long. Using the right tool saves time and effort and eliminates the need to destroy standard sockets by grinding them down to fit tight pinion clearances. Contains: tool board and (6) 6-point sockets: 2 (OTC-1975), 2-1/8 (OTC-1976), 2-1/4 (OTC-1977), 2-3/8 (OTC-1978), 2-5/8(OTC-1979) and 2-3/4 (OTC-1980). 9814