EASY CLEAN: This brush set allows you to easily access and thoroughly clean hard-to-reach areas of your radiator including tight corners. SPECIAL DESIGN: The specially designed bristles effectively help to remove built-up dust and debris from radiators. OPTIMISE PERFORMANCE: Helps optimise the performance and heat dissipation from radiators into the surrounding environment. FLEXIBLE: The specially designed bristles effectively clean hard-to-reach areas and tight corners for a thorough clean that you can be proud of. The set includes two sizes for greater flexibility. GUARANTEED: You can have complete confidence in the durability of this product, as it comes with a 3-year warranty when backed by proof of purchase. Sizes: Handle: (L)11.5cm x (W)2.5cm Small brush: (L)53.5cm x (W)2.4cm Large brush: (L)53.5xm c (W)3.75cm.