2 inch Rotolock M63 (Blue) (F-ROTOA63BU)

2 inch Rotolock M63 (Blue) (F-ROTOA63BU)

New from William Optics - 2" M63 Rotolock for William Optics Z73, GT71, or Star 71-II (not first generation Star 71) telescopes. Will also work with other telescopes that have an M63 female thread. This item has a male M63 thread and adds Rotolock functionality to your compatible focuser drawtube.