Bosch 194 High Speed Cutter 3.2mm Pack of 2 SKU: 215496 MODEL: 26150194AC Error. try again later You've successfully joined the club $ 31 .76 pack of 2 Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants The Dremel 194 high speed cutter is designed to carve / engrave on stone, glass, ceramics, porcelain and non-ferrous metals. Features and benefits Working diameter 4.8mm. Shank 3.2mm. Maximum rpm 25,000.