【Piovt Mode】: Slide the sleeve forward, you can rotate 20 degree for inclined angle drilling in tight spaces and corners which will meet your needs in different condition. Attention, you can use it to do duty work with this mode
【Straight Mode】: Slide the sleeve backward, then the bit holder can be used for impact drilling work
【Chrome Vanadium steel】: Made by abrasive resistance Charome Vanadium steel, it will extend the service life
【High Compatibility】: 1/4" Shank is suitable for most types of hand drills, table drills, electric screwdriver, pneumatic drill etc