Knobs for Zhumell Z8, Z10, and Z12 Secondary
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Part: CNsec25 or CNsec35
Fits: Zhumell Z8, Z10, and Z12 telescopes
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel
- The factory collimation screw length, measured below the head, can be either 25 mm or 32-35 mm. Order knobs with the correct screw length for your application, which is usually 35 mm.