This professional 18-piece driver set features tamper-proof star bits coated with industrial-grade diamonds for increased torque and reduced slip. Engineered from heat-treated steel, these bits provide enhanced grip even when working with partially stripped fasteners.

• Constructed from high-quality heat-treated steel for long-lasting durability.
• Industrial-grade diamond coating provides increased torque and minimizes bit slip.
• Enhanced grip design allows for easier use on partially stripped fasteners.
• Comprehensive 18-piece set includes various TT-series star bits in 2.5 in. and 1.5 in. lengths.
• Includes 3/8 in. and 1/2 in. adapters for versatile application.