Black skirted 1-10 knobs with silver disc insert on top, push on type. Similar to classic Fender amp knobs except for smaller 7/8" diameter. Package of four black skirted 1-10 knobs with silver disc. Push-on mounting. Fits standard "D" Shaft potentiometers (with flat portion of "D" shaft facing 12 O'clock position when potentiometer is turned down to minimal level). 7/8" diameter. Fits Cyber-Champ®, Princeton 65/65 DSP/650, Acoustasonic™ Jr., Super Bassman® ('12 model), and Super-Champ® XD amplifiers manufactured '99-Present. Brand New. Genuine Fender 0054419049. UPC 717669612207.