We can offer the following butyl tubes with good quality and competitive prices: Size Size 17.5-25 20.5-25 23.5-25 1400-20 1200-24 1200-20 1100-20 1000-20 900-20 825-20 825-16 750-20 750-16 750-15 750-12 750-10 700-12 700-9 650-15 600-14 600-9 600-8 550/600-16 500-8 400-8 175/185-13 175/185-14 185/195-15 450/500-12 400-500-14