Bob's Knobs Vixen R200SS secondary

Bob's Knobs for Vixen R200SS Secondary: Easy Adjustment Effortless Secondary Adjustment: Upgrade your Vixen R200SS Newtonian telescope with Bob's Knobs designed for the secondary mirror. Part Details - Part: R200sec: Knobs: These black plastic knobs, measuring 16 mm (5/8") in diameter, feature stainless steel threads for dependable and convenient adjustments. Important Notes: Dust Cover Compatibility: Please note that the factory dust cover may interfere with Bob's Knobs. Consider using a shower cap as a suitable alternative cover. Make precise adjustments to your Vixen R200SS secondary mirror effortlessly with Bob's Knobs. Enhance your telescope experience today.