The Switchcraft Type 152B is a stereo phone jack designed for thick panel mounting often used on guitars with active electronics. The 152B is trusted by musicians and technicians for its exceptional durability and reliability. Built with a nickel-plated copper alloy body, its rugged construction ensures a long lifespan even in the most demanding environments. This jack features a Tip-Ring-Sleeve (TRS) open circuit design, which is essential for stereo wiring or for activating onboard electronics in instruments when a plug is inserted. The Switchcraft 152B provides a secure connection and delivers the clear and consistent signal that audio professionals have relied on for decades. Type 152B 1.5" bushing length Mates with standard ¼" plugs and is available with 0.25" inside diameter bushing. Stereo 3-conductor Double open circuit Thick Panel "End Pin" Jack Includes nut and washer