This silver, brushed aluminum headshell fits all S shape tonearms with a standard H-4 Bayonet Mount. The S shape H-4 type tonearm is the most commonly used tonearm system by turntable manufacturers. Please view our image for further reference. The barrel dimensions are 8 mm diameter x 12 mm length, weight is 7.26 grams. It comes complete with four color-coded headshell lead wires.