"Spline" Shaft Replacement Knob for Focusrite Green Series Products (All Models) and some Platinum Series Products (Voicemaster, Tonefactory, Compounder, Mixmaster, Penta, Trackmater, Octopre)

NOTE: Voicemaster Pro, Twintrack Pro, Trackmaster Pro, and Octopre LE use mostly "D" shaft pots which require PG-KNOB2.

Price is for a Single Knob