TNI-U TU-4*40*4.0- Bit for Screwdriver Drill

Therefore, the TNI-U TU-4404.0 screwdriver bit is a 40mm long bit with a 4.0mm diameter shank. This type of bit is commonly used with drill drivers for various types of screws and fasteners. It’s important to ensure compatibility with your drill driver model to ensure proper fit and functionality during use.