The 7-pc SAE Flare Nut Socket Set, No. 13180, from Lisle Corporation, is designed to allow access to difficult wired temperature sensors, thermo switches, and other components. This set works on ABS, master cylinder, coolant, steering components, and hydraulic lines. Sizes included in this set: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", and 3/4".