【Perfect Size】: With T-shaped handle, the hook opening can be adjusted according to different usage environments and suitable for different tools. High-precision threads are evenly stressed and more flexible to use. 【Multi-function】: Our puller is multi-functional and can remove the wiper arm bolted to the windshield without damaging the tapered groove. In addition, it removes stuck battery terminals very safely and quickly. Two useful functions in one gadget, making your repairs more efficient. 【Adjustable Design】: The battery terminal and wiper arm puller are flexible and adjustable, allowing you to adjust the jaw size according to the application and fix the tool to the wiper arm. The whole operation is very simple and safe and will not damage the battery terminals. Easy to use: remove the wiper nut, place the tool on the wiper arm, tighten the knurled cone until the jaws contact the wiper terminal, and when the wiper arm is removed from the terminal, tighten the knurled cone to