STAR-M - Compact circular cutter with quick adjustment, which enables tear-free and clean drilling due to external and internal cutting. Fully adjustable from Ø 25 mm to 75 mm. Resharpenable HSS blades made of HSS, cutting depth 28 mm (56 mm on both sides). Anti-slip cylindrical shank with three chamfers Ø 10 mm for drilling winch or machine. Ideal for cutting wood and plasterboard. Drive with adjustable drill. Made in Japan. With instructions.