-12% Potentiometer knob, inner bore 4/6/6.35 mm - compatible with multi-turn potentiometers (models 3590S, 534, 22HP) $ 25.07 $ 28.49
-12% 10 pcs φ8mm hose threaded connectors — RC1/4 threaded to quick push-in (push-fit) fitting, fully threaded adapter ZG1/8 $ 32.23 $ 36.63