These bits are so cool! Talk about custom quality! Sliester bits have a long lasting reputation in the western world for being quality, long lasting, and attractive bits. This bit is an older one, but is still ready to ride! Mouth is a non-standard size of 4 15/16", with tall A-shaped port that measures 2 1/4" with a larger/longer copper roller. 8.25" shanks (9.25" to bottom of rein ring) and has a stabilizer bar at the bottom. This bit is in good used condition, showing some minor scuffing to the shanks and some natural patina. Still ready to ride. Quite a weighty bit with a nice balance and feel. This one will last into the next generation!