The Wooster® end caps are perfect for rollers without them. They are made from polypropylene and measure 38mm or 1 ½ -inches in diameter. They are compatible with the Wide Boy™ (WOBR036/WOBR047) and Big Ben/Little Ben frames.
Roller covers without end caps
Use with Sherlock® Hulk™ (WOBR04718) and Wide Boy™ (WOBR036) roller frames