PIC Gauge TRI-RC-254R3.63-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 3.63 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/51PcHFvqR0L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31Niv4x-6%2BL.jpg' noproxy></br>