Product Code: 91251 Easy to use windscreen wiper arm removal tool, simply place puller feet under wiper arm and tighten. Suitable for wiper arms up to 15mm diameter and 28mm in height. Engineered to ensure no damage will occur to wiper arm hood or cowling during standard wiper arm removal. Max opening: 27mm Max collar size: 15mm Thread size: M8 x 40mm Lock nut size: M8 Screw cap size: 36mm