Heavy Duty Battery Terminal & Wiper Arm PullerBattery terminal removal and wiper arm puller is a dual purpose puller Heavy duty steel construction Removes battery terminals, bolted on wiper arms and other small parts such as ball bearings, pulleys, sprockets etc. Tighten knurled cone to force jaws under the cable clamp and turn center screw to lift clamp off terminal Removes bolted on wiper arms that fit over tapered splines Prevents damage to the wiper arm Maximum opening: 36mm 1. 41" Pull