The ROTOZIP Standard Point Zip Bit ZB 10 is a high-speed steel drill bit designed for cutting and drywall cuts. With a diameter of 1/8 inch and a length of 2.33 inches, this silver bit is suitable for use with drills. Manufactured by RotoZip in the United States, this package includes 10 new bits that are ideal for various cutting applications. The California Prop 65 Warning indicates that the product may contain materials that are potentially harmful if ingested or inhaled.