The Smt-7226 Electric Drill Is A 410W Drill With Variable Speed Control, . It Features A Heavy-Duty Chuck That Holds Bits Up To 10Mm (3/8"). - Power And Speed: - Rated Input Power: 410W - No Load Speed: 0-2700/Min Rpm - Variable Speed Control For Adjustable Drilling Speed- Drilling Capacity: - Steel: 10Mm - Wood: 25Mm - Masonry: 12Mm- Chuck Capacity: Maximum 10Mm- Voltage And Frequency: 220V, 50Hz