Here is a great vintage Miller Bit & Spur using bit. The cheeks are an S-shank pattern with large 2” conchos on either side. The mouthpiece is a 5 1/8” wide, very interesting San Joaquin mouthpiece that rotates about 35°. Marked for Miller Bit & Spur inside the left cheek. The bit is in like new condition and has never been used. Asking price 250.