3/8" 1/2" Injector Fuel Line Socket Wrench Set 10-22mm for Thermo Switches, Fastener on Bent Pipes, EGT Sensor

This 9-piece side cut tubing socket set is a professional automotive repair tool kit built for removing fuel lines, brake hoses and obstructed nuts without cutting tubing. Made of premium CR-V chrome vanadium steel, this set covers 9 common sizes: 10mm,11mm,12mm,13mm,14mm,17mm,19mm,21mm,22mm. It works seamlessly with 1/2" drive ratchet wrenches and impact drivers, ideal for mechanics, auto shops and DIY car enthusiasts to speed up engine bay maintenance. Side Opening Slot Design The side cut-out structure lets hoses and tubes pass directly through the socket. No need to disconnect or cut pipes before removing nuts. Complete disassembly in one step, perfect for tight, cramped engine compartments. Full Hexagon Wrapping, Anti-Rounding Full-contact hexagonal inner profile grips rusted, corroded nuts tightly. It prevents nut rounding even on worn rusty fasteners, solves the common headache of damaged nuts during vehicle repair. Heavy-Duty CR-V Chrome Vanadium Steel Adopts forging and high-temperature quenching treatment. High hardness, excellent wear resistance and crack resistance. Polished chrome surface resists rust and corrosion for long service life. Wide Compatibility & Standard Interface Standard 1/2 inch square drive with ball retainer pin. Fits most 1/2" ratchet spanners, hand wrenches and electric impact wrenches. Great for fuel pipe nuts, brake line nuts and various automotive tubing fittings. Portable EVA Storage Case Custom molded EVA foam tray holds all 9 sockets neatly. Sizes are clearly marked for quick identification. Keep tools organized, prevent loss and easy to carry to job sites. High Working Efficiency Small swing angle ratchet operation. No repeated socket removal in narrow spaces. Cuts down working time and doubles repair efficiency for auto maintenance jobs.