View cart “AFT Isolator” has been added to your cart. Rudder Adjust Knob (DA20)$21.15 Rudder Adjust Knob (DA20). Out of stock Like Tweet Pin it SKU: 2-293-309 Category: Airframe Parts Tags: Adjust, DA20, Knob, Rudder Additional information Additional information Weight 1 lbs Dimensions 7 × 7 × 7 in Brand Diamond Related products $63.29 PiperPA28 Wing Tank Screw Kit Add to cart $163.48 Diamond, Mooney, Piper, OtherRighthand Bearing Add to cart $277.91 MooneyDust Cover Kit Add to cart $27.56 DiamondPTT Switch Add to cart