DescriptionMade of steel, offer long tool life and faster. This item is a drill bit set for wood, plastic, tile, brick, etc., it has excellent performance and is easy to use, and can serve you well. Can be used in high temperature drilling applications.Features-Color: Golden.-Material: Steel.-Size: About 12.20X1.20X1.20cm/ 4.79X0.47X0.47in.-Note: Specification type:6/6/8/10/12 . -It is made of durable steel material, which is sturdy and practical, and has long service life. - It can be widely used in the drilling of plastic, wood, brick, tiles, etc. It is very practical. - They have high hardness and wear resistance, can provide accurate positioning. - It is suitable for wood, plastic and other materials. More suitable for home use! - Precision unique design, hex design fits into most power tools more easily and securely.