FlushSaver INDUSTRIAL NYLON 6 PACK Toilet Bolts and Seal Set. Pan Head Bolts are 3 3/4" x 3/8" (M95x10). Fits 5/8" to 3/4" tank hole. WILL NOT LEAK, BIND or CORRODE Take an additional 10% OFF on ANY 2 FlushSaver Products - See Details Below - Limited Time Offer! Industrial Nylon POM 3 3/4" x 3/8" Studs + 15/16 Finger Tab Nuts (fits 5/8" to 3/4" tank hole) EASY TO INSTALL * NO METAL CORROSION * SEE INSTALLATION TIPS BELOW Polyoxymethelene (POM) Bolts WILL NOT Rust, Corrode, Mineralize or Bind Rubber cushion cone seals Will NOT Chip or Damage Porcelain Tank or Bowl Base