The 9.4g lightweight aluminum headshell features a H-4 Bayonet Mount with a rubber washer to ensure a strong connection to your tonearm. The color-coded heat shrink wires ensure you can connect to your 4-pin cartridge that uses 1/2 inch mounting. The slotted headshell design allows for proper cartridge alignment and overhang adjustment to accommodate different cartridges. The built-in finger lift allows for easy and accurate tonearm movement.