Forney Forney 75106 Female Screw Coupling 1/4 Highlights: Used anywhere high pressure connections are frequently assembled and disassembled; Easily hand tightened; Ideal for connecting hoses together; Connects to all of the most common 1/4 (6.35MM) pressure washer equipment in the industry and converts M22 metric thread size to standard thread size; 300 degrees F (149.9 degrees C) and 5800 PSI; M22F x 1/4 ;