This 40-piece drill bit kit by Ryobi is perfect for all your drilling needs. The kit includes drill bits of various sizes, with a diameter of 10 inches and made of durable metal material. The green color adds a touch of style to your toolbox. Suitable for use with a drill, this kit is a must-have for any DIY enthusiast or professional. The package quantity of 40 ensures that you have plenty of drill bits on hand for your next project. The brand Ryobi is known for its quality and reliability, making this drill bit kit a great investment for your tool collection.