3", Smart Edge Roller, Internally Fed Roller With Trim Device To Allow Painting Right To The Edge, Delivers Sharp Clean Edges & Eliminates Hours Of Taping, 6 Oz, Reservoir Trims A 12 x 12 Room In 2 Fills, Ergonomic Handle To Fit All Hands, Ideal For Trimming In Tight Spaces, Fast Clean Up, For Use With Latex & Oil Based Paints, For Replacement Roller Cover Use TV #167-587.