Briny River 2pcs M4 Tune o matic Bridge Posts and Thumbwheels Compatible with ABR 1 Nickel

Compatible with Gibson guitars and other guitars equipped with ABR-1 bridge. The post has metric M4 thread, 30mm tall and the thumbwheel is 16mm in diameter, thickness about 0.09 inch. The post will be screwed directly into the body wood, durable and anti-corrosion. The thumbwheel is a separate part of the post that the bridge sits on and adjusts the height by turning the thumbwheel. Package incluedes 2x posts and 2x thumbwheels.