Detailed Product Description lever blockProduct DescriptionWe WWMEC a professional Crane Machinery maker in China. ... , 2.5m,3m,4m available); 2, HSZ-C series chain blocks (0.5Ton-10Ton, 2.5m,3m,4m available); 3, HSY ... Series chain blocks (0.5Ton-20Ton, 2.5m,3m,3.5m available); 4, HSH Series lever Block (0.75Ton,6Ton ...