When tackling fasteners across a wide range of applications, having the wrong bit to hand costs time and risks damage. The Sealey AK219 42-piece bit set covers TRX-Star, Hex, and Spline drive types in both short and long reaches, with 3/8" and 1/2" square drive adaptors included, making it a single solution for professional daily use. Bits are manufactured from Chrome Vanadium 6150 steel, hardened to 52-53 HRC and tempered for added strength. The full contents include TRX-Star bits T20, T25, T30, T40, T45, T50, T55, and T60 in 30mm and 75mm lengths; Hex bits in 4, 5, 6, 7, 8, 10, and 12mm in 30mm and 75mm lengths; Spline bits M5, M6, M8, M10, and M12 in 30mm and 75mm lengths; plus 3/8"Sq x 10mm Hex and 1/2"Sq x 10mm Hex drive adaptors. The set is supplied in a storage case with an inclined tray for quick and easy bit selection. Backed by a lifetime guarantee. Key Features: Sealey AK219 TRX Star/Hex Spline Bit Set is presented as a model-specific workshop product, description a