You cannot add "Rudder Adjust Knob (DA20)" to the cart because the product is out of stock. GDU-1040 Range Knob$35.00 GDU-1040 Range Knob. 2 in stock GDU-1040 Range Knob quantity Add to cart Like Tweet Pin it SKU: 430-00035-10 Category: Avionics Tags: GDU-1040, Knob, Range Knob Additional information Additional information Weight 1 lbs Dimensions 9 × 7 × 1 in Brand Diamond, Mooney, Piper, Other Related products $0.65 Diamond, Mooney, Piper, OtherFuse Add to cart $125.00 Diamond, Mooney, Piper, OtherKlixon Circuit Breaker Read more $28.74 Diamond, Mooney, Piper, OtherCircuit Breaker Add to cart $32.07 Diamond, Mooney, Piper, OtherCircuit Breaker Add to cart