It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Two flute design provides faster, smoother and cleaner cuts Perfect for home DIY and general building / engineering use. Steel Material makes it last longer than others, titanium coating ensures easily cut through steel sheets,aluminum sheets,copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole. Colour:Photo Color Material:steel Package Contents: 3 x Pagoda drill 1 x cloth bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.