5 wires paint roller frame 1.6mm iron with zinc plating 2.grey handle with ferrel 3.fix to extensiton poles 5 wires cage paint roller frames.Size:3",4",7",9"Used with 3",4" 7",9" roller covers.Fix to extension poles .38mm cap, 6mm frame with zinc plating, grey handle with ferrel .5 wires cage paint roller frames.