Holes aluminum cover is a locking wire rope rope rigging. Aluminum sleeve holes, by definition, is an aluminum material, lighter, used to head is fixed at both ends of the rope, wire rope-eight intermediate string string back to the past again, 0.5-2mm rope smashed with a hammer and other tools to tighten or vise grip on it, 3m-6mm rope with hydraulic tools such as pliers or vise grip, pressed hard on the line, the difference between aluminum sleeve chuck is that the first card need only tighten the screws on the nut, can be used repeatedly, rope wanted Caddo length can be adjusted at any time. Regulate the use of aluminum cover, it is a shape, and then release the clamp after bad widely used for a variety of rope rigging, etc., with the use of high tensile strength steel wire rope, wire rope with a diameter related to various different rope aluminum sleeve Fax: 0757-85513925 Mobile: 13923122812 Miss Deng (sales charge) Phone: 18988647827 Miss Deng (Customer Service) phone: 18988647817 Miss Ding (Sales Director) Mobile: 18603096090 Yan Sheng (sales technique) QQ: http: // luosi9.1688.com Mr Yan (Sales Manager) QQ: http://luosi9.1688.com Miss Deng (sales charge) QQ: http://luosi9.1688.com Miss Ding (sales charge) QQ: 1657978950 Pang Health (Sales Support)