Bob's Knobs Celestron SCT 11” f/10 standard

Bob's Knobs for Celestron SCT 11” f/10 Standard: Easy Collimation Adjustments Custom-Fit for Celestron SCT 11" f/10: Tailored for Celestron 11” (28 cm) f/10 SCT models with flat secondary housing and standard collimation screw threads, excluding CPC 1100 or EdgeHD models. Part Details - Part: C11std: Telescope Suitability: Compatible with metal or carbon fiber tube versions of Celestron 11” SCTs, not fitting Starizona Hyperstar secondary (refer to Item C). Knob Features: Made of black plastic, each knob is 16 mm (5/8”) in diameter, designed for user-friendly adjustments. Thread Material: Constructed with black anodized aluminum alloy threads for a secure fit and lasting use. Thread Type Identification: Standard vs. Metric Threads: Silver factory screws typically have standard threads. Use our hints to identify the thread type on your telescope. Compatibility Check: Ensure the knob threads match your telescope’s factory screw threads before installation. Compatibility w