Product Name: Multifunctional Universal Flexible Shaft Product Material: PVC Plastic Specification: about 295mm in length Shipping Quantity: 4 pieces Color: orange blue red black Tips: 01. Can only be used for rechargeable drills and pneumatic drills, not suitable for use on electric hand drills and impact drills 02. When using, the torque of the rechargeable drill should not be set too high, so that when the screw is screwed to the bottom, the rechargeable drill will automatically slide, and the flexible shaft will not be broken. Works in Tight Spaces - Works better than traditional drill bit in tight places, blind spots and any other places the screwdriver can't reach. Easy to attach to drill or drill bits. Apply to - Can be used for most screwdrivers and electric screwdrivers on the market. The size of the connecting hex rod drill sites is 6.35 mm (1\/4 inch). Fit for ordinary electric drill. Flexible Drill Extension - This drill extension with good flexible performance can rotate to any angle. Ideal for equipment maintenance and repair. Such as computer chassis, electrical cabinets, furniture and electrical appliances. Sturdy and bent material - These soft screwdriver handles are made of soft plastic and sturdy stainless steel. Portable and easy to store. Ideal for long term use.