PKE60B1/4 is a molded phenolic control knob featuring a fluted surface design with a white indicator line and spun aluminum inlay. The knob is equipped with a single NO. 6-32 set screw for secure shaft mounting on 1/4-inch diameter shafts. Key dimensional specifications include an overall diameter (A) of 0.626 inches (15.9 mm), a body diameter (B) of 0.472 inches (12.0 mm), a height (D) of 0.394 inches (10.0 mm), and a shaft hole depth (E) of 0.472 inches (12.0 mm), with a flange height (C) of 0.091 inches (2.31 mm). This knob is commonly used in audio equipment, test instruments, and industrial control panels where reliable tactile feedback and clear position indication are required.