GOYA ALUMINUM RDM MAST EXTENSION 32 - USEDIn like new condition. The economic alternative. Same features, same strength, in a more affordable package using quality T8 aluminum. Our aluminum extensions use the same pin and collar system, stainless steel power pulley system and cleat as our carbon extensions. The identical stepped hole layout comes into play, making these about the most rigid aluminum extensions on the market. Optimal block to block geometry and reduced friction is again