Koswork Nut Driver Bit 7.0mm 1/4in Drive Hex Tool - KOS13207-N7

The Koswork KOS13207-N7 is a 7.0mm nut driver bit with a 1/4-inch drive hex shank, designed for driving 4mm nuts on RC cars and competition-grade radio control builds. It fits standard 1/4-inch drive handles and power screwdrivers, making it a practical addition to any RC pit toolkit where speed and precision matter during setup or maintenance.

Key Features

• 7.0mm hex socket sized specifically for 4mm nuts commonly found on RC car hardware
• 1/4-inch drive hex shank fits standard nut driver handles and cordless screwdrivers
• Compact bit format suits both pit-side use and workshop maintenance
• Sold individually as a replacement or addition to an existing driver set