Add to Cart Quick view RL Drake TR-7 / R7 Main Tuning Spinner Knob with New Inlay in Excellent Condition RL Drake MSRP: Now: $29.99 Was: This RL Drake TR-7 / R7 Main Tuning Spinner Knob , is used and in excellent condition. The aluminum inlay is new and it looks great! The set screw is intact and included. This Main Tuning knob is VERY hard to find. MSRP: Now: $29.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $29.99 Was: Subtotal: Add to Cart