Ergonomic handle with injected composite grip, great comfort. Lightweight and compact design, handy to carry. One hand forward –reverse switch, easy to operate. Good for limited areas. Contents:1 pc 3.5mm Drill Bits, 1 pc 4.0mm Drill Bits, 1 pc 4.5mm Drill Bits, 1 pc 5.0mm Drill Bits, 1 pc 5.5mm Drill Bits, 1 pc Key Wrench, 1 pc 1/4” Plug, 1 pc Oil Box, 1 pc Air Reversible Drill (QE-323). Air Reversible Drill