Milwaukee 48-17-4042 4-148221 x 128221 Diamond Core Bit Extension

Includes: (1) 4-1/4\” x 12\” Diamond Core ExtensionFeatures Designed to used with Milwaukee Premium wet core bits Extends Core Bit Drilling Depth by 12\” Apply anti-seize lubricant to threads before use Desgined to be used WetAllows for quick and easy extended depth drilling applications. This extension adds 12\” to the drill tube length for Milwaukee Premium wet core bits.