Features Strong Material: This manual impact driver kit is made of high -quality alloy steel materials. It has high hardness, high strength, good corrosion resistance and wear resistance, and long service life. Reverse Driver Design: The impact screwdriver kit is designed with reversible drive, and the black head is pressed inward to adjust the positive rotation and negative rotation. On the left is loose screws and tighten the screw to the right. Disassembly Design: The head of our impact screwdriver uses a removable design, which can be connected to a matched drill or a socket for various uses. It is convenient to use. Equipped with Bits: This impact driver kit has a till -end impact drill to make precise fit. Equipped with 12 screwdriver drills to meet your replacement needs in order to replace and use. Widely Used: This impact driver screwdriver set is widely used, suitable for loosening or unloading or rusting screws for motorcycle work or engine maintenance. Specification: Item Type: 12Pcs Steel Impact Screwdriver Driver Set Material: S2 Alloy Steel Use: For stubborn screws System: Metric system Package List: 1 x Handle 1 x Connector ( Already Mounted on The Handle) 10 x Screwdriver Bit 1 x Storage box Package List 1 x Handle 1 x Connector ( Already Mounted on The Handle) 10 x Screwdriver Bit 1 x Storage box