The Wadfow 3 Ton Chain Pulley Block with a 3-meter chain (model WCK2583) is a heavy-duty manual lifting device designed for lifting loads up to 3 tons with a standard lift height of 3 meters. It features a strong construction with hardened steel gears and grade 80 alloy steel load chain for durability and wear resistance. The pulley block operates smoothly with ball bearing mechanisms and a double pawl ratchet system to prevent accidental slippages, ensuring safety during use. The hand chain is galvanized for corrosion resistance, and the device is compact and lightweight for ease of handling. It typically comes packed in a wooden box for better transportation and protection. The effort required to lift the maximum load is approximately 404 Newtons, and the net weight is about 19.5 kg. This chain pulley block is ideal for use in warehouses, factories, and construction sites for manual heavy-duty lifting tasks.