Features: Universal Toilet Seat Bolt Kit is suitable for most standard toilet seats. Provides a tight fit with secure lock nuts for reliable fastening. Effectively solves the issue of loose or improperly fitting toilet seat nuts. Materials: Toilet seat screws are made of stainless steel and plastic. The fixing nuts are durable to ensure long-term use. Universal Fit: Toilet lid seat fittings are compatible with most standard toilet seats featuring a top-mount hinge design. Replacement Kit: Soft-close hinge components are ideal for replacing broken or worn toilet seat hinges. Designed to replace damaged or aging hinges, helping to eliminate movement and maintain stability of the toilet seat. Easy Installation: Simply insert the hinge bolt into the toilet mounting hole and tighten with a screwdriver to secure the toilet seat cover and prevent looseness. Notice: 1. Actual color may vary slightly from the image due to differences in monitor settings and lighting. 2. Please allow 1–3 cm deviation due to manual measurement. Material: SUS304 stainless steel + PP fiber Size: As shown in picture Accessories: Includes 18mm and 28mm gaskets each Quantity: 2/4/6/8/10 pcs