PIC Gauge TRI-RC-254R1.75-D Commercial Tridicators with Black Steel Case， Bronze Internals， Plastic Lens with Red Indicator， 2-1/2" Dial Size， 1/4" Male NPT Connection Size， Stem Length 1.75 inches， 0/75 psi Range</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51NGo3rLTUL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41XpJyJIhVL.jpg' noproxy></br>