Store SBR 3" x 6" Airframe Coupler $5.29 SBR 3" x 6" Airframe Coupler $5.29 Model Number: CPL3 Maximum quantity exceeded Minimum purchase amount of 0 is required Maximum purchase amount of 0 is allowed 5.290 8 Left in Stock Categories: Parts and Accessories Manufacturer: SBR High Powered Model Rockets Description kraft coupler for our SBR 3" Airframe Tubing