The 2350AF is a phenolic pointer control knob designed for manual control applications requiring secure shaft engagement. It features a plain hole configuration with a 1/4" shaft diameter and 15/32" hole depth, combined with an 8-32 set screw for reliable fastening and positioning. The knob is manufactured from phenolic material, providing durability and electrical insulation properties suitable for instrumentation and control panel applications. This design is commonly used in laboratory equipment, test instruments, and industrial control systems where precise manual adjustment and secure mounting are essential.