• 8mm diamond drill bit with HEX shank, easy connection to universal drills. • Compatible with corded and cordless drills, no need to choose a specific machine. • Use in dry or wet conditions, suitable for hard porcelain, ceramic, tiles, granite, and marble. • New generation diamond technology for high efficiency and time saving. • Durable and stable lifespan, up to 10 times longer than galvanized bits. • Total length of 80 mm with 40 mm drilling depth.