3.Simply place puller feet under wiper arm and tighten forcing screw against wiper shaft.
4.【Check your car size before buying】Check the size of your car arm puller before buying: NOT for all types of cars, please refer to the indication of the suitable size.
5.【Wiper Arm Puller Size】Collar Size: Approx.15mm / 0.59", Internal Height: Approx. 27mm/1.06". The size is quite important before you order it.