W1 & W2 Bars: crucial components for greenhouse construction, they play a vital role in connecting the frame, Horizontal Bar, and Arches. Crafted from sturdy 32mm galvanized steel, these bars offer durability and reliability. With flattened heads on both ends, they simplify bolt and nut assembly, providing essential bracing and support for your greenhouse arches. Available in three sizes—0.6m for 4m greenhouses, 0.8m for 5m greenhouses, and 0.9m for 6m greenhouses—our W1 & W2 Bars ensure a tailored fit and enhanced stability for your greenhouse structure. Simplify assembly and reinforce your greenhouse with these versatile bars.