Wooster Mini-Koter Fabric 4 in. W X 3/8 in. Mini Paint Roller Cover have core/bearing system that gives the Mini-Koter more universal fit with most mini frames. Best-quality roller fabrics offer excellent paint pickup and a very smooth finish. Use with the Wooster Mini-Koter roller frame when painting tight areas: behind radiators, pipes or toilet tanks and other narrow spaces where a brush or regular roller won't reach.
