H??ng d?n, h? tr? cài ??t h? ?i?u hành và các ph?n m?m ?ng d?ng c? b?nThen just push a button and it transforms into An electrical screwdriver. The Apex Drill pivots on the hinge. In seconds, it is possible to transform it from a power drill to the precision electrical screwdriver.Buy limit of five discounted objects per order. Not valid for re