Product Name: L Jaw Coupling Coupler Set Material: Rubber, gray cast iron (HT250). Length: 2.09inch. Width: 1.77inch. Height: 1.77inch. Connector Type: Coupling. Product Weight : 400 G / 14.11 Ounces Product Dimensions (L*W*H) : 55*45*45 MM / 2.17*1.77*1.77 Inches High strength ductile iron material, with characteristics such as high strength, good toughness, wear resistance, corrosion resistance, strong shock absorption and absorption capacity. NBR rubber has good oil resistance, wear resistance, weather resistance, sealing performance, aging resistance and expansion resistance. The inner hole tolerance is controlled within H7 accuracy, with high concentricity and strong locking. Widely used, suitable for CNC machine tools, food packaging machinery, metallurgical equipment, photovoltaic power generation, woodworking machinery equipment,semiconductor equipment, food machinery, printing machinery, railway tracks, etc.