Electrex Power Tools offersmanufactures impact drills in three models. Model EID-10 model comes with 10 mm capacity, power input 550 W and weighs 2 kg. The EID-13T model comes with a capacity of 16 mm [2 speed], power input of 600 W and weighs 2.3 kg. The third model EID-13 has a capacity of 13 mm, power input of 550 W and weighs 2 kg.