Oatey 90104 Johni-Bolts with 1/4-Inch Diameter Solid brass closet bolts. Snap-off slot and captive washer. XL bolts are extra long - 3 1/2"" for larger gaps between floor and flange. Eliminates wobbly bolts and the need for double-nutting, flimsy wax, putty, or thin plastic washers The johni quick bolt is a unique bolting system for mounting toilets Snap-off slot and captive washer. Solid brass closet bolts