PKD70B101/4 is a molded phenolic control knob featuring a straight knurl design with a spun aluminum inlay and 0-10 numeral markings positioned at 30° intervals around the skirt. The knob is equipped with a No. 6-32 set screw for secure mounting on 1/4-inch shafts. Dimensional specifications include an overall diameter (A) of 1.02 inches (25.9 mm), a body diameter (B) of 0.750 inches (19.1 mm), and a height (C) of 0.700 inches (17.8 mm), with a shaft hole depth (D) of 0.080 inches (2.0 mm). The knob's compact size and clear numeral indicators make it ideal for precision control applications in test equipment, audio systems, and industrial instrumentation where user-friendly adjustment and visual feedback are essential.