The universal element adapter kit allows you to replace your flat, universal or round flange element with a standard screw-in element. The kit contains all pieces for use including one 2-1/2 in 4-bolt Adapt-a-Flange, one four hole gasket, four 5/16-18 x 5/8 in L hex flange head bolts, one screw-in element gasket and one thermostat bracket. Product includes one adapter kit, tools for instillation not included. Camco Element Adapter Kit, Universal, Import