Kit Includes: Buffing Wheel ShankAdapter1/2 lb. Can Of Compound Used by professional shops, this kit eliminates light scratches, wiper haze, sand sparkle and clears up old glass (scratch cleanup is limited to defects that cannot be caught with your fingernails). Kit includes buffing wheel, 1/4" shank adapter and a 1/2 lb. can of compound. Enough to do several windshields. NOTE: Can is sold by weight not by volume. Can may only be full and still weigh1/2 lb.