Wooster Super Doo-Z Roller Cover is a favorite of both professional and DIY painters, for both price and performance. Super Doo-Z is the most imitated roller in the industry, but it’s made only by Wooster. Interlocked fibers resist shedding for a very smooth, “no lintâ€ finish. Dense fabric reduces dripping and spatter for neat results with all paints. The 4 in. length for smaller areas and striping.