KLN1250A1/4 is a machined aluminum knob from the KLN Series featuring a straight knurl with top and side indicator. This knob has a natural finish and is designed for 1/4" shafts with a shaft bore of 0.251" (6.38 mm). Key dimensions include an outer diameter (A) of 1.252" (31.80 mm), dimension B of 1.195" (30.35 mm), and dimension C of 0.984" (25.0 mm). The knob is secured using two No. 6-32 set screws. It is ideal for control panel applications, instrumentation, and electronic equipment where precise rotary adjustment and clear position indication are required.