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The WOOSTER BRUSH RR304-4 1/2 is a 4.5-inch mohair roller cover sold in a 2-pack, designed for applying enamels, varnishes, urethanes, and epoxies to smooth and semi-smooth surfaces. The cover features a 1/4-inch nap made from a blend of shed-resistant mohair and non-matting polyester, delivering a smooth, high-quality finish with excellent coverage. It is bonded to a 3/4-inch core and is designed for use exclusively with Jumbo Koter cage frames. Painters, finish carpenters, and contractors who demand clean, consistent results on trim, cabinetry, and furniture will find this cover suited to the task.
This roller cover is intended for professional and trade use on interior finish work where surface quality is critical. The mohair-polyester blend is well suited to oil-based and water-based coatings including enamels, urethanes, and epoxies. It is sized for the Jumbo Koter system, making it a compact tool for detail work, tight spaces, and smaller panel surfaces. The 2-pack format reduces downtime on multi-coat jobs. Compatible True Value reference numbers are 419-671 and 420-505.
Designed for use only with Jumbo Koter cage frames. Compatible True Value frame references: 419-671 and 420-505.
Install the cover onto a compatible Jumbo Koter cage frame before loading with coating material. Ensure the core seats fully and evenly on the frame before use. Clean or replace the cover between coats when switching coating types to avoid contamination. Follow coating manufacturer guidelines for surface prep and application temperature ranges.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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