29 mm Aluminum Rocket Motor Retainer for Madcow, Performance Rocketry and Wildman "thin wall" fiberglass (1.255" OD)

Retainers are used in place of the hook. It makes it easier to install or remove the motor from the engine mount.
Once installed, the retainer doesn't require any tools to operate. Simply install the model rocket motor, and screw on the cap.

• Precision Machined 6061-T6 Aluminum With Mil-Spec Type II Black Anodizing
• Large Quick-Turn Threads For Fast, Tool-Free Motor Change
• Installation: Simply Bond To Motor Mount Tube With JB Weld And You're Done!
• Just Slide Motor In And Thread On Cap, That's It!
• Can Be Installed On Existing Rockets With Motor Mount Tubes Extending 1/4" Or More Below Lower Centering Ring