Audio-Technica AT-LH13H Headshell 13g The AT-LH13H is a 13-gram universal ½"-mount headshell, optimized to accommodate 4-pin turntable cartridges with threaded bodies, such as the AT-OC9X Series and VM95 Series cartridges. This aluminum headshell with hard anodized finish reduces unwanted vibration and comes equipped with OFC (oxygen-free copper) lead wires. It also features an adjustable cylinder that enables precise azimuth and overhang settings. Includes cartridge installation screws, plastic washers, and a hexagonal wrench. The cartridge is also available in 15-gram (AT-LH15H) and 18-gram (AT-LH18H) models for optimal compatibility with your cartridge/tonearm requirements.