304 stainless steel material: Tank to bowl bolts are made of high quality 304 stainless steel and rubber, which is strong and durable, wear-resistant, anti-corrosion, not easy to rust or damage, and has a long service life. Standard Size: Water Tank Bolts Size: 74*16*8mm, moderate size, very suitable for connecting the cistern to the toilet bowl, repairing leaky or dripping toilets. Suitable for most toilets:Attaching the toilet cistern to the bowl is suitable for most separate toilets. It is ideal for connecting toilet tank and toilet, often used to replace damaged or old toilet screws. Easy to install: The toilet cistern fixing kit is easy to assemble and use, and can be simply taken apart and reattached at any time. When using, just clean the old bolts, then reinstall the new bolts.Toilet Cistern Fixing Bolts---Ideal for connecting the toilet cisternMade of high quality rubber and stainless steel, it is tear resistant. wear-resistant, anti-corrosion, sturdy and durable, and has a long service life.Toilet Bowl Flush Bolt Size: 74*16*8mm, moderate size, suitable for most separate toilets.Toilet bowl flush bolts are easy to assemble and use, just clean the old bolts, then reinstall the new ones. new bolts. Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the object actual received shall prevail.