KFS600B1/4 is a machined aluminum knob from the KFS Series featuring a straight knurl grip with an indicator line on the skirt. This knob is designed for 1/4" shafts with a shaft bore of 0.251" (6.38 mm) and features a black matte finish. Key dimensions include A: 0.618" (15.7 mm), B: 0.280" (7.11 mm), C: 0.382" (9.70 mm), D: 1.00" (25.4 mm), E: 0.161" (4.09 mm), F: 0.630" (16.0 mm), and G: 0.811" (20.6 mm). The knob is secured using two No. 6-32 set screws. This precision-machined knob is ideal for control panel applications, potentiometers, and rotary switches where a durable, professional appearance and reliable grip are required.