ItemPrecision Screwdriver Set - Hardened for best wear resistance - Corrosion protective Hard Chrome Finish - Exact Fit Precision Machined Tips - Precision Handle is made of high Quality cadmium free Plastic - Molded on handle for permanent bond to blade - The Tapered Shape allows rapid rotation - Handles Proportioned to Blade Size for optimum torque - Precision Turning and Control with the Rotating Top Cap Slotted / 2.5 x 50mm, 2.5 x 100mm, 3.0 x 100mm, 4.0 x 100mm, 3.0 x 150mm, 4.0 x 150mm, Phillips / #0 x 75mm