Ortofon LH-2000 headshell
The LH-2000 is a basic high quality headshell designed specifically for HiFi applications. Providing a clean, minimalist aesthetic, the LH-2000 is great for a wide variety of cartridges, e.g. the 2M Series and the MC High Output series.
Knowing the fundamental headshell dimensions will in a lot of cases make it easier to mount and align cartridge and tonearm correctly.