- Versatile Fit : Our toilet seat bolts are designed for use with 14-16mm holes on two standard toilet seats. Perfect for replacing damaged or old hinges, ensuring compatibility with most top-fixed standard toilet seats. - Durable Materials : Crafted from high-quality black rubber for the expansion ball, and stainless steel for both the round card and screws. This construction outperforms typical plastic toilet seat hinges, providing a stronger, more reliable replacement. - Effortless Installation : The ingenious design of our rubber washers features a threaded section that easily fits into the toilet bowl's hole. When you tighten the screws, the washers expand, securely anchoring without the need for additional bolts, simplifying your installation process. - Heavy-Duty Performance : Unlike standard plastic alternatives, our metal hinges and bolts ensure superior durability and performance, giving you peace of mind that your toilet seat is securely fastened and long-lasting. - Practical Applications : Ideal for home renovations, quick repairs in rental properties, or upgrades for aging fixtures. This replacement kit is perfect for anyone looking to enhance the longevity and functionality of their toilet seats. - Compact Size : Toilet seat bolts feature an expanded ball diameter of 2cm (0.79 inches) and a length of 4cm (1.57 inches), making them compact yet effective for secure mounting. This toilet seat bolt replacement kit is the practical solution you need for maintaining your toilet seats with confidence.