The tightener, or ratchet tightener, is inOverhead lineUsed for laying wire during construction. Put the cable holder on first when usingSteel wire ropeOr galvanized iron wire is loosened and fixedCross armOn, clip the wire with the clamp wire clamp, then pull specialwrench. As a result of the anti - reverse action of the pawl, gradually wire or galvanized iron wire around the ratchet drum, making the wire tightened. Hold the tightened wire in placeinsulatorOn. Then loosen the pawl to loosen the wire rope or galvanized iron wire, then loosen the clamp pliers, and finally wrap the wire rope or galvanized iron wire around the drum of the ratchet wheel.