Keyless Design: Quick and easy bit changes without requiring a chuck key.
Description
Replace part number:42-66-1006 42-66-2706, 42-66-2707 Please check the size before ordering , Size 1/2" (12.7mm) with an internal thread size of 9/16"-18”, as picture 42-66-1006. For models 2704-20, 2704-22, 2804-20,2804-22 Drill/Drivers Replaces 42-66-2706 & 42-66-2707 Chucks. Keyless Design: Quick and easy bit changes without requiring a chuck key.