If you are wanting a Locking Collar for YOLOtek PowerStick-53" or PS20" or other YOLOtek gear, this is NOT the Collar for you!!! Click here for YOLOtek ONLY Perko Threaded Locking Collar
Locking Collar - Perko Large Threaded - Fits large threaded navigation light ports.
Compare to your navigation light base and make sure it says Perko. Any questions, please call 800-488-5512
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollars-Specs-ThreadedLarge-01_ea670e32-52e7-49ac-93ec-262ef282f2b3_{width}x.jpg?v=1540585852)
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollar-LargeThread_2_{width}x.jpg?v=1540585852)
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollar-LargeThread_9fa9020a-668f-41b4-9eb0-15d9c07426a5_{width}x.jpg?v=1540585852)
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollars-Specs-ThreadedLarge-01_ea670e32-52e7-49ac-93ec-262ef282f2b3_530x@2x.jpg?v=1540585852)
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollars-Specs-ThreadedLarge-01_ea670e32-52e7-49ac-93ec-262ef282f2b3_1024x1024@2x.jpg?v=1540585852)
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollar-LargeThread_2_1024x1024@2x.jpg?v=1540585852)
![G1 Non-YOLOtek Locking Collar [Perko Large Threaded]](http://cdn.shopify.com/s/files/1/0807/5815/products/LockingCollar-LargeThread_9fa9020a-668f-41b4-9eb0-15d9c07426a5_1024x1024@2x.jpg?v=1540585852)