10 Pc. Flare Nut Socket Set - EGT & Fuel Lines Specially designed sockets for the installation and removal of injector lines & exhaust gas temperature (EGT) sensors. Prevents damage to connection wires, housing, sensors or threads. Includes both offset and straight options for clearance issues. Open hex body for clearance (Wires, etc.). Packed in a BMC for easy storage. Constructed of medium carbon chromium molybdenum alloy steel for strength and durability. Sizes: 13mm Straight/Offset – 3/8” Drive, 14mm Straight/Offset – 3/8” Drive, 17mm Straight/Offset – 3/8” Drive, 19mm Straight/Offset – 1/2” Drive, 21mm Straight/Offset – 1/2” Drive 8857