Available for three Forstner Bit Shaft sizes, you can use these Extendern more make the extender with their Forstner Drill Bit 10 mm 8 mm and 10 mm, both discs have shanks and adding an extra depth of drilling on your, 100 mm, the extender has a length of 12 mm and has a highly impressive 360 mm still maintaining its depth of drilling of 12 mm The Forstners locks into extender due to four hexagon socket screws, and each is CNC precision for precise, really work please note: This case is designed for drill press. Made in Germany
