21mm x 3/8" Drive 12-Point Metric Deep Chrome Socket (EA) KTI27421 K Tool International

Features and Benefits:

• Manufactured from chrome vanadium steel
• Heat treated for strength and durability
• High-polish chrome finish resists against rust and corrosion
• Marked with part number and size for easy tool identification
• Deep 12-point design for use with 3/8" drive tools