Sunex 3/8″ Drive 12-Point 21mm Impact Socket for Heavy Duty Use (321ZM)

The Sunex 321ZM 3/8″ Dr. 12 Pt. 21mm Impact Socket is designed to withstand the toughest jobs in automotive and industrial settings. Crafted from high-strength alloy steel, this 12-point socket provides optimal grip and torque for fastening or loosening 21mm bolts. Whether you’re working in tight spaces or with heavy-duty machinery, this impact socket delivers reliable performance under pressure. Its compact design ensures easy access to confined areas, making it an essential tool for professional mechanics and DIY enthusiasts alike.

• Drive Size: 3/8″
• Socket Size: 21mm
• Socket Type: 12-point
• Material: Alloy steel
• Finish: Black oxide
• Application: Automotive, industrial, and mechanical use
• Part Number: 321ZM