Proform GM FORD CHRYSLER Harmonic Balancer Intallation Tool Kit # 66520Proform GM FORD CHRYSLER Harmonic Balancer Intallation Tool Kit # 66520 Harmonic Balancer Installation Tool, Adapters, Black Plastic Case, Kit Tool Installs: Yes Tool Removes: No Adapters Included: Yes User Manual Included: No Case Included: Yes Case Material: Plastic Case Color: Black Quantity: Sold as a kit. Notes: Includes adapter sizes 7 16 20, 1 2 20, 9 16 18, 5 8 18, 3 4 16, M12 1. 75, M12 1. 5, M10 1. 5, M14 1. 5, M14 1. 5, M16 2. 0, and M16