Z1J-BL-13H 1/2"(13mm) Impact Drill 850Watts motor Variable speed reversible High speed range:0-2800RPM Lock on button for extended use Soft grip handle for comfortable use Specification Chuck Size:1/2"(13mm) Rated Voltage:230V Frequency:50Hz Rated Input Power:850W No Load Speed:0~2800RPM Packing Case Qty:8pcs G.W/N.W:21/16.8kgs Packing Size:33.5*32*53.5cm Pcs/Container(20"):3816pcs