Headshell fits most turntables with the S-Shaped, straight or SME type 4 pin connection tonearm with a standard H-4 Bayonet Mount Connector Type: 4 prong, H-4 Bayonet Mount Headshell barrel size: 8mm diameter X 12mm length Wire Type: Each wire is color coded. Wires are made of oxygen free copper (OFC) for a cleaner sound. Terminals are gold plated. Each terminal end is wrapped in insulation