21 Pieces Twist Screwdriver Set with Storage Case Long-Lasting for Workshop

Complete Kit: This comprehensive 21-piece tool set includes everything you need for precision fastening, featuring a high-quality driver and a selection of interchangeable bits neatly organized in a long-lasting black plastic storage case.

Controlled Tightening: Designed as a manual adjustable tension screwdriver, this instrument allows you to set and maintain exact tension levels, preventing over-tightening and protecting sensitive components from damage.

Clear Calibration: The tension screwdriver features a highly visible tension scale window on the body, allowing you to easily read and adjust settings across its pre-determined range of 10-70 in/lb with a standard 1/4 inch drive.

Ergonomic Design: This tension screwdriver with bits is engineered with a vibrant red handle and a black top cap, providing a comfortable, slip-resistant grip that ensures maximum control and reduced hand fatigue during extended use.

Compact Storage: Housed in a molded black plastic case measuring 280 mm by 155 mm by 60 mm and weighing 739 g, this portable set keeps your gear organized and ready for workshop tasks, home maintenance, or field repairs.