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The Hangar 9 Pro-Link Wrench is the ideal tool for making adjustments on a Pro-Links turnbuckle.
With their size and weight, giant-scale aircraft place higher demands on their control systems. This is especially true for giant-scale aerobatic airplanes. Hangar 9's Titanium Pro-Links offer the ultimate in strength and security with the added bonus of ease of adjustability and ultra lightweight.
Each Pro-Link is machined from titanium bar stock and features a 4-40 right-hand thread on one side and a 4-40 left-hand thread on the other (turnbuckle). A machined hex in the middle allows you to make very fine length adjustments without removing the linkage from the servo arm or control horn. And because they are made of titanium, a 4-inch linkage weighs just 6 grams but has the strength to lift over 500 pounds.