KD700A1/4 is a machined aluminum control knob featuring a diamond knurl grip pattern with an indicator line for precise position marking. The knob is manufactured in natural aluminum finish and is designed for 1/4" shaft mounting with two NO. 6-32 set screws. Key dimensional specifications include an outer diameter (A) of 0.750 inches (19.1 mm), a body diameter (B) of 0.660 inches (16.8 mm), and a core diameter (C) of 0.590 inches (15.0 mm). The knob provides reliable tactile feedback and visual position indication, making it suitable for laboratory instruments, test equipment, audio equipment, and industrial control panels where precise manual adjustment and clear position reference are required.