Premier’s Fully Polished Socket 21mm is designed for professional use with a 3/8" square drive. Featuring a WallDrive® socket configuration and a knurled ring for enhanced grip, it’s crafted from cold-forged Chrome Vanadium steel for durability and strength. The socket is chrome plated with a mirror finish, and is hardened and tempered to withstand demanding use. Model SP3821 carries a lifetime guarantee and is part of a range designed for reliability in professional applications.
Features
- 21mm size, 3/8" square drive
- Cold-forged Chrome Vanadium steel
- Hardened and tempered for strength
- Chrome-plated with a mirror finish
- WallDrive® socket configuration
- Knurled ring for grip with oily fingers
Technical specifications
Price History
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