The Cromar Pro GRP 3 Resin Roller Sleeve Refill is a highly efficient tool designed for the application of GRP (Glass Reinforced Plastic) resin. As part of Cromars professional range, it ensures a smooth and even spread of resin, delivering excellent results every time. Its 3-inch size makes it suitable for both large surfaces and tight corners, while its robust construction guarantees longevity. This refill sleeve is easy to clean and reuse, making it an economical choice for professionals and DIY enthusiasts alike.