This kit contains one each of the rubber and plastic washers and o-rings that go into a faucet. Also includes a brass knob lever and a spanner wrench for tightening your faucet onto the shank or tower without stripping. Detailed diagram included. 6 pieces total. * Includes - Friction washer, Ball washer, Faucet lever (brass), Spanner wrench, Body gasket, and Valve shaft seat.