Classic engraved shifter knob: 2 1/8" ROUND BALL of thermoset resin 6 speed shift pattern - Reverse upper left Engraved, paint-filled; plain sides - no logo M12 x 1.25 threaded brass mount inside a 33mm dia x 15mm deep counterbore Made in USA by a Hurst supplier Compare to Hurst #1630225 Also available with bold lettering in separate listing Fits the following Ford models w/ 6 speed manual transmission : 2013-2018 Focus ST & RS 2014-2019 Fiesta ST 2015-2023 Mustang Intended for stock shifters; fully compatible w/ reverse lockout Does NOT FIT older models or Hurst chrome sticks Includes two thin hex jam nuts , because on this application you have to use the nuts to set the knob height prior to installation WARNING: jam nuts MUST be used; knob will break if mounted w/o nut! Instructions included