Includes:

(1) 1-1/2″ x 12″ Diamond Core Extension
Features
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 Wet
Allows for quick and easy extended depth drilling applications. This extension adds 12″ to the drill tube length for Milwaukee Premium wet core bits.