38 mm Retainer Base for Blue Tube and Loc Precision paper tubes (1.63" OD)

Installing this retainer body part on your rocket allows you to re-use same retainer cap on all your rockets where this part is installed.

• 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 3/8" Or More Below Lower Centering Ring