Baader 2" ClickLock M64a clamp (Takahashi); Baader 2" ClickLock M64a clamp - suitable for all small refractor focusers from Takahashi with M64 x 0.75 female thread, e.g. TAK Sky 9. The focuser tube of these focusers has an M64 female thread. The M64 external thread on the ClickLock clamp can be unscrewed to reveal a rotatable M68 external thread underneath; a 20° rotation by pressing the rotary lever is sufficient to securely and firmly fix all 2" accessories. Height: 40mm, weight: 190g; ratchet function - indicates the position of the clamp acoustically and haptically. This allows you to recognize whether the clamp is open or closed even in the dark and without looking ; Compression clamping ring made of thick-walled hard bronze, remains dimensionally stable even after many years of use and holds the most expensive accessories absolutely securely without causing scratches and pressure points