DimcoGray Black Thermoplastic 5 Star Fluted Torque Knob Female， Brass Insert: 3/8-16" Thread x 1/2" Depth， 2-1/4" Diameter x 1" Height x 7/8" Hub Dia x 1/2" Hub Length (Pack of 10)</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/41PKJ8KEslL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/411e0G-USBL.jpg' noproxy></br>