4 PCS Toilet Seat Fittings ,Stainless Steel Toilet Lid Top Seat Hinges Screws and Toilet Seat Fixings Bolt Expanding Nylon Nuts Screws Toilet Seat Fixings Kit for WC Seat Replacement Parts Specifications: Packing size: 14*9*2.4cm Material: Stainless Steel+Nylon Weight:0.06kg Color: White Features: 1. The toilet seat accessories are made of the new material of original rice nylon, which has good rigidity, good shape, strong durability and excellent performance, not easy to break, and can be used for a long time 2. The hinge screw of the stainless steel toilet seat can fix the toilet cover well, not easy to fall off and not rust 3. Suitable for 14-16mm toilet seat hole, universal How do I install a toilet seat hinge mount? Start by inserting the rubber nut into the hole.