The majority of bicycle maintenance is detail work, and our precision 4.5mm Flat Blade Screwdriver is an ideal companion for bike shops, home mechanics and race-day service. Ergonomic file tread grips promote control and comfort - preventing hand fatigue. Plus, the magnetic tip is precision machined to exceed ISO standards and fit perfectly in component and accessory fasteners. This 4.5mm screwdriver is available here individually and also found in our curated, travel-ready Team Edition Tool Kit. Features: - Hardened CRV tool steel ensures longevity of precision tips - 4.5mm flathead exceeds ISO standards and serves countless service procedures - Magnetic tip helps hold screws flush and in place during complex procedures - Ergonomic file tread grips promote precision and control and prevent hand fatigue - Also available in our Team Edition Tool Kit