Let me know when you order if you have a P3 Standard.  It's a slightly different size.  I designed and 3d printed this Gimbal Lock to work with my Flexible lens caps.  You will need a lens cap on to have a tight fit. Lets face it the original DJI lock does not stay on at all. This one will. It's easy to install or remove. It's printed from Clear PET filament.  It's stronger than ABS and has some flexibility and it's clear. You will get 1 Clear Gimbal Lock with each order.  This will work with my other lens caps. So if you ordered just the caps before don't worry this will fit your lens caps ordered from me.  Check out my other listings for more DJI stuff . 
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Thanks,
Nathan
Milehighdesign