Turnbuckle pins are made of cadmium plated steel and conform to Procurement Spec. MIL-T-5685. Pins are available in both short and long versions, as well as with left and right threads.

The “R” or “L” (first letter after dash number) denotes the forks thread direction, the “L” or “S” (second letter after dash number) denotes the length of the pin.