21mm 3/8 Drive Socket Teng Tools M380521-C 6 Point

21mm 3/8 drive socket from Teng Tools delivers precise fit, high torque, and reduced fastener rounding—ideal for professional mechanics and DIY users working on automotive and industrial tasks.

Engineered for reliability, the Teng Tools M380521-C 21mm socket combines durability with precision. The 6-point hex design grips fasteners securely, helping you apply maximum torque without slipping—something customers consistently value when tackling stubborn bolts. Built from chrome vanadium steel and finished with a satin coating, this socket resists corrosion while offering a comfortable, controlled feel in hand.

Whether you're maintaining vehicles, working in engineering environments, or upgrading your toolbox, this 21mm 3/8" socket is a dependable, professional-grade choice. Its compact 29mm length makes it perfect for tight spaces, while the retention groove ensures a secure fit on your ratchet—no frustrating drop-offs mid-job.