This nut driver is solid and sturdy, which can withstand use. Features steel material, which has high durability, not easy to deform. Fine workmanship, practicality. This nut driver will make the repair and fix easier and smoother. Features -Color:Silver -Material:55 steel -Size:7.70X2.30X2.30cm/3.03X0.90X0.90in -Size:7.70X2.10X2.10cm/3.03X0.83X0.83in -Different sizes of socket heads make it suitable for a variety of automotive repair needs. -Internal hexagonal shape provides a tighter grip on screws, improving work efficiency. -Extended length design makes it easy to operate in tight spaces. -Ratchet wrench socket head allows for quick and easy replacement of socket heads, improving work efficiency. -Made with sturdy 55 steel material for durability and resistance to damage. Package list: 1 x 8mm nut driver 1 x 10mm nut driver 1 x 12mm nut driver 1 x 14mm nut driver 1 x 15mm nut driver 1 x 17mm nut driver