MLCS 9270 5-Inch Long Forstner Bit Extender
MLCS steel forstner bit extender is 5-Inch long. Extends bit approximately 3-Inch. For 3/8-Inch shank bits (MLCS forstner bits under 2-1/4-Inch cutting diameter, excluding metric sizes). Twin locking set screws hold bit straight and true. Can piggy back if needed for greater extension