Features: Designed for 70² to 300² aluminum cables, this heavy duty cable clamp ensures secure fastening across diverse electrical wiring projects with its 45# steel construction and anti rust electroplating. Featuring a accuracy polished surfaces and compact 223mm body with 1/2" (12.8mm) connector, the wire tightener delivers erosion resistance and user friendly operate in demanding environments. Ideal for electricians and construction professionals, this industrial grade cable fastener provides stable grip strength for overhead line installations, substation maintenance, and outdoor power setups. Engineered to withstand harsh weather conditions, the rust proof cable clamp maintains optimal clamping force during cable repairs, underground conduit work, and industrial equipment electrical assemblies. Combining robust tensile strength with slip resistant , this versatile wiring accessory secure long lasting cable management solution for commercial buildings, utility networks, and sustainable energy systems. Specifications: Component : carbon steel Size: Main body 223mm/8.77inch, connector: 1/2" (12.8mm) Package Includes: 1xCable Tightener note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.