Silverline 499236 Wiper Arm & Battery Terminal Puller 28mm CapacityHeavy-duty, hardened steel construction with a locking feature allowing the tool to be fastened securely to the wiper arm. A combination of the swivel-mounted thrust bearing and tommy bar on the thrust bolt allows even the most stubborn wiper arms to be lifted off their shafts. Also suitable for battery terminal and alternator bearing removal. Maximum opening: 28mm. Puller Battery Terminal And Wiper Arm Puller. Capacity: 28 mm Made from hardened steel. Locking mechanism to securely hold in the arm of the wiper.Made of hardened steelLocking mechanism to hold on wiper arm securelyRod and bearing with swivel mechanism for easy removal of wiper armsAlso suitable for removing battery terminals or some alternator bearingsMaximum opening: 28 mm; Maximum collar size: 43 mm.Package includes Wiper Arm & Battery Terminal Puller 28mm Capacity