A handy socket which is designed to be used on thread taps from M4 through M14. Versatile design also allows it to be used with reamers / screw extractors with square shanks from 5mm - 8mm across the flats.

• Stepped chuck collet design for use with a wide range of square shanks.
• Suits M4 - M14 square taps
• 3/8" Sq Drv

• Reversible
• Extra long handle
• Thin head design
• 72 Teeth