Description: Arborist Aluminum Ropewalker: Provides quick mechanical adjustment to fliplines and comes equipped with an adjustable tension spring and a bolt through the cam for fixed application on the lanyard. This is the strongest flipline adjuster at 7,500lb MBS. Closes securely with a grade 8 stainless steel bolt and locking nylock nut. Ribbed cam. For ropes 7/16" - 5/8"