Do it 2-1/2" X 3/8" White Non-Rusting Plastic Toilet Seat Hinge Bolt is a reliable and durable solution for securing your toilet seat hinge to the bowl. This set includes one pair of bolts and nuts measuring 2-1/2" in length with a 3/8" diameter, crafted from tough, non-rusting plastic material to ensure long-lasting performance. The bolt head has a diameter of 5/8", and 2-7/8" diameter washers are provided to accommodate seat hinges that require a larger bolt head, making it a versatile choice for various toilet seat installations. Model Number: