【material】This toilet fixing set is made of high quality rubber and stainless steel, sturdy and durable, with good toughness and stable structure. 【Size】 Expansion ball diameter: approx. 1.7 cm/ 0.67 inch. Rubber sleeve length: approx. 4 cm/ 1.57 inch. Metal screw: 4.8 cm / 1.89 inch. Metal screw diameter: 0.5 cm/ 0.2 inch. Metal disk diameter: 1.8 cm/ 0.7 inch. 【Easy to install】 All you need for the toilet seat mounting kit is a Phillips screwr. Screw the toilet seat hinge into the hole of the toilet lid and tighten it so that the toilet lid is no longer loose. Toilet seat fittings and accessories are convenient and time-saving. 【Extensively used】Soft close toilet seat hinges are ideal for broken or old toilet seat hinges. Toilet seat fittings fit most standard top-hinged toilet seats. 【what you get】 Set of 6 toilet seat replacement parts. Please refer to the picture for the detailed size of each toilet seat screw. Please measure before purchasing to ensure your toilet seat is