The Du-Bro DUB181 Threaded Ball Link features a 2-56 thread and a swiveling ball-and-socket design that eliminates binding in RC control linkages. The threaded shank screws directly onto 2-56 pushrods, while the ball socket provides multi-axis movement for smooth, precise control surface response even in tight or angled installations.Key Features Threaded 2-56 shank screws directly onto standard RC pushrods Swiveling ball-and-socket eliminates linkage binding Multi-axis movement for smooth, precise control response Ideal for tight or angled linkage installations Durable construction for long-term field reliability Compatibility Fits 2-56 threaded RC pushrods Suitable for RC aircraft control surface linkages Specifications Specification Detail Part Number DUB181 Thread Size 2-56 Type Threaded Ball Link Country of Origin USA Brand Du-Bro