Collimation Spring Kit for Meade 12" LightBridge, FP323 Collimation Spring Kit for Meade 12" LightBridge, FP323 Upgrade to our heavy-duty collimation springs to keep your primary mirror in alignment Eliminates the need for locking screws For Meade 12" LightBridge Dobsonian Truss Telescope Made in the USA by Farpoint Astro