Preformed single tension clamp for OPGW OEM manufacturer ISO 9001:2000, stay Single Tension Clamp for OPGW 1. Component: inner stay wire,outter stay wire,rubber insert,casting aluminum shell. 2. Usage:supporting,make OPGW cable hang on the pole and tower. 3. Features: a, stress on average,no concentration stress,protect cable better. b, good dynamic stress.It can provide enough grip strength(14%- ...