【INSTANT IDENTIFICATION】Spot the right socket at a glance. The machined yellow groove around the base and paint-filled size marking make identification effortless. MTO 21mm thin wall lug nut socket features an "old-eye friendly" design – grab the correct tool quickly, whether you're under a car in a dim garage or working against the clock.
【DURABLE CR-MO STEEL】Built to handle serious torque. Made from heat-treated Chrome Molybdenum steel, MTO 1/2" drive impact wheel protect socket takes on high-impact jobs without breaking or wearing down. The phosphate coating adds a layer of corrosion resistance and withstands daily shop abuse – giving you a tool that lasts.
【RIM & LUG NUT SAFETY】No more scratched rims or chewed-up lug nuts. The thin wall slips easily into tight wheel gaps, while the soft protective sleeve acts as a buffer between the socket and your wheels. An internal relief pocket keeps the fastener tip from bottoming out – so everything stays clean and damage-free.
【6-POINT G RIP】Rounded nuts are a headache. This 6-point design grabs each nut by its flat sides – not the corners – spreading force evenly to prevent stripping. The built-in retention hole keeps the socket locked to your impact driver, and holds the nut snugly when you pull it off the stud.
【PRO & DIY READY】Whether you turn wrenches for a living or just work on your own car on weekends, this 21mm socket gets the job done. Manufactured to meet ANSI/ASME B107.110-2020 standards for impact sockets, this tool complies with requirements for material strength, torque resistance, and dimensional accuracy. The phosphate-coated surface adds corrosion and wear resistance for long-lasting durability.
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