<b>Features:</b><br><br> Large rubber gromets on both upper and lower sides. This secures and seals the toilet tank to the bowl.<br><br> <b>Easy to install:</b><br> They are very easy to fit done in a matter of minutes, simply remove old bolts clean around the area and fit the new bolts. <b><br><br>Specification</b><br> Material:Stainless Steal, rubber<br> Bolts are 80mm/ 3.14inches long, thread diameter: 5/16 inch; long nuts are 50mm/ 1.97inch long<br> <b><br>Package including:</b><br><br> 2 x Stainless Steal nuts<br> 2 x Stainless Steal bolts<br> 2 x Stainless Steal flat washers<br> 2 x Extra long lock nuts<br> 4 x Black rubber washers<br>