Manufacturer Saker. Compatibility: The SD-F1960 expansion tool is designed to expand Type PEX-A tubing for insertion into ASTM F1960 expansion fittings, ensuring versatility across a wide range of fittings, making it the ideal choice for professionals.Note: This not applicable to PEX-B pipes,Complete Kit, Robust Construction: This pex expansion tool set provides all the essentials for efficient operation.