Pu PLUMB Works 664-1214 Toilet Seat Hinges ยข Top Mount Includes: {2) Plastic hinges (2) Plastic nuts (2) Plastic bolts (8) Metal screws Directions for use: 1. Remove old hinges. 2. Align new hinges with seat and attach with screws provided. 3. Push bolts through holes in hinge and bow! legs. 4. Finger tighten nuts under bow!; tighten one half turn with a wrench.