This 46 Piece Dunnet Tools Harmonic Balance Puller Is The Ideal Tool When It Comes To Removing Those Hard To Move Pulleys. This Will Work For Most Crankshafts And Flywheels, And Can Be Used To Remove Tough Gears And Pulleys. The design of the yoke in this kit allows for both a two hole and a three hole application. This makes this universal and suitable for nearly all applications where you would use this tool. The Centre Screw Is Made From From A Steel Allow, And Contains A Removable Floating Swivel. This Ensures That The Tool Won't Cause Any Damage To The Shafts Of The Pulleys As The Design Creates An Even Pressure Throughout. The Components Of This Kit Are Made From A Drop Forged And Heat Treated Carbon Steel. This Makes This Kit Extremely Solid And Long Lasting. Dunnet Tools Also Offer A One Year Warranty With This Product The Set Includes The Following Components: 1pc Carbon Steel Yoke, 1pc 5" Steel Pressure Screw 3/4"- 16 Tpi, 2pc Centering Adapters, 1pc Flat Shaft Adapter, 30pc Various Sized Bolts, 11pc Washers Various Sized.