Double Adjuster Tube Adapter Synergy MFG 1 inch 14 Left Hand Thread, 1-1/8 inch ID Tube. The Synergy Double Adjuster Tube Adapter is designed to eliminate the need for jam nuts that are normally used when building link suspension and steering systems. The use of the Double Adjuster allows the suspension/steering link to be adjusted without removal.;The Double Adjuster allows the user to fine-tune the suspension/steering geometry by loosening the pinch bolt and turning the adjuster sleeve Ideal for link suspension designs with weld on bushings/joints at one end or bent suspension links The weld on tube adapter is made from solid stock 1018 Steel The tube adapter seals the link off from water or other debris entering the link which can cause damage over time An integrated drain hole lets any water that enters the threads of the adapter drain out Adapters Include: (1) Tube Adapter with Pinch Bolt Slit and Tubes (1) Zinc Plated Double Adjuster Sleeve to be used with a Thread Shank Rod End (1) Pinch Bolt Hardware All Adjusters Use A Left Hand Threaded Rod End or Johnny Joint