Ensure that wall-mounted toilets will hold their weight with a wall-hung toilet carrier. Zurn’s Z5610-NUT-EXT-KIT extended acorn nut kit with washers is used to fasten the carrier on the inside of the wall for installation of Zurn wall-mounted toilets. This nut and washer kit includes 4 polished chrome-plated metal cap nuts (acorn nuts) and 4 washers. The Z5610-NUT-EXT-KIT nut and washer fittings are 5/8-inch and are for use with Zurn toilet wall carriers. When you need the nuts and washers, trust Zurn’s acorn nut kit to get the job done.