Stardriver screwdrivers feature ergonomically designed ComfortGrip handles. This handle includes a hard thermoplastic core for strength and split resistance, and a soft rubber outer coating to ensure maximum comfort and grip. The handles are proportioned to provide maximum torque without breakage. Only available from Bondhus, Protanium steel blades mean these are the strongest tools available. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.