Millrose 73070 Monster Advantage Toilet Bolts, 5/16-Inch x 3-1/2-Inch, Blue Raised knobs on the underside of the foot prevents movement after setting the toilet True breakoff feature eliminates the need to saw the bolt to the proper length The specially designed "gripping toes" on the underside of the foot virtually eliminate slippage A stainless steel washer is included making Blue Monster Bolts totally non-corrosive