4mm Wing-shank: Provides enhanced grip and stability, ideal for precise applications in confined areas. PH0 Phillips Head: Perfectly designed for small screws, ensuring a tight fit and reducing the risk of cam-out. 2.5mm Diameter: Ideal for precision tasks requiring a compact bit size. 20mm Working Length: Allows for focused work in tight spaces while maintaining excellent control. 100mm Total Length: Offers extended reach for accessing deep-set fasteners effortlessly