Makita DP4020 Hand Drill 1/2"(13mm) 630WIt's what's INSIDE that counts. Makita DP4020 Hand Drill 1 2"(13mm) 630W 13 mm (1 2) 630 W Variable Speed Reversing Drill with Keyed Chuck This model is 13mm (1 2) Drill mainly targeting metal drilling operations. We have refined the specifications of the motor of 6412 and achieved the performance equal or superior to competitors models. Continuous rating input: 630W We have achieved the performance equal or superior to competitors models in heavy