Manufacturer of the Product: Makita China is the country of origin. Importer: Vermax Alati doo; Drrage Spasić 35; 11030 Belgrade Number of catalog: B-29723 EAN barcode: 088381417334 22 mm in diameter 20 mm is the drilling depth. Steels have 195 revolutions per minute, metals have 390 revolutions per minute, and there are