This professional-grade 4-piece Torx® screwdriver set delivers precision and durability for demanding applications. Each driver features a tri-lobe dual material handle that balances comfort during extended use with superior grip control. The precision-machined tips ensure exact fit and reduced cam-out, while the oil and solvent-resistant construction extends tool life in harsh environments. A reinforced hex bolster provides enhanced leverage and torque capability on larger fasteners. Includes T15x3", T20x3", T25x4", and T30x4" sizes to cover most common Torx® applications.