Teng Tools M120521-C Bi-Hexagon Socket 12-Point 1/2in Drive 21mm

This professional-grade Teng Tools Bi-Hexagon Socket is a 1/2 inch square-drive tool designed for 21 mm hex fasteners. Made from chrome vanadium steel, it features a durable finish to enhance strength and corrosion resistance. The 12-point bi-hexagon design helps reduce rounding of fasteners, delivering reliable torque for automotive, machinery, and workshop tasks. With ISO-compatible construction and a length of 38.0 mm, this socket is suitable for both professional mechanics and DIY enthusiasts seeking precision and lasting performance in demanding environments.

Features

• 1/2 in drive socket
• 21 mm hex size
• Chrome vanadium steel
• Durable satin/matte finish
• 12-point bi-hexagon design

Technical specifications

• Size: 21 mm
• Length: 38.0 mm
• Outer diameter: 28.8 mm
• Inner diameter: 25.0 mm
• Drive size: 1/2 in
• Finish: satin or matte