The Ohaus 30269020 is a density kit designed for use with the Scout Balances series, including the Portable Balance models SJX1502N/E, SJX6201N/E, SJX622N/E, SKX1202 AM, SKX2201 AM, SKX2202 AM, SKX222 AM, SKX421 AM, SKX422 AM, SKX6201 AM, SKX621 AM, SKX622 AM, SKX8200 AM, STX1202 AM, STX2201 AM, STX2202 AM, STX222 AM, STX421 AM, STX422 AM, STX6201 AM, STX621 AM, STX622 AM, and STX8200 AM. It is also compatible with Portable Precision Balance models SJX323N/E, SKX123 AM, STX123 AM, and STX223 AM.