The JET Tools JBHC-58 is a heavy-duty grease coupler for servicing button head fittings on heavy machinery with a hand-operated grease gun. It accommodates both 5/8" and 7/8" fitting sizes and uses a metal seal for resistance to wear. With 1/8" NPT threads and a working pressure of 6,000 PSI, this professional industrial-quality coupler is identified by catalogue SKU SUW-350217.

• Designed for manually operated grease guns.
• Fits button head fittings in 5/8" and 7/8" sizes.
• Wear-resistant metal seal.
• Thread specification: 1/8" NPT.
• Working pressure: 6,000 PSI.
• Manufacturer part number: JBHC-58.