A versatile screwdriver set featuring a smooth-rotating cap for easy torque application and an ergonomic, non-slip dual-color TPR handle for enhanced comfort. It includes a keyless chuck for quick bit changes, an adjustable extension bar for accessing tight or hard-to-reach spaces, and a convenient storage box for organizing and carrying bits. The set comprises various bits, including Phillips (PH00, PH0, PH1, PH2), Hex (0.9mm, 1.3mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm), Torx (T4, T5, T6, T7, T8, T10, T15, T20), 5-point Torx (2mm, 1.0mm), Slotted (1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm), and Tri-Wing (3mm, 2.6mm). It also features an adjustable bits holder handle for convenient operation.