Heavy-Duty Coupler Design: 4-jaw construction built for heavy-duty applications, ensuring a secure and durable connection during greasing

Leakage Prevention: Equipped with a ball check valve to help prevent grease leakage and maintain consistent pressure

Standard Compatibility: Fits standard grease guns with a 1/8-inch female pipe thread and measures 2-1/8 inches in length

High Working Pressure: Supports a maximum working pressure of up to 8,000 PSI, suitable for demanding lubrication tasks

Extreme Pressure Tolerance: Withstands burst pressures up to 24,000 PSI, offering added safety and reliability under high-stress conditions