2X Cinevate CIADAS000K17 Follow Focus Gear Ring contains 5 sets of spokes, with each set containing 6 spokes namely - 3/8" (1 cm), 1/2" (1.3 cm), 5/8" (1.6 cm), 3/4" (1.9 cm), 1" (2.5 cm). Works with any manual or remote focus systems for DSLR lenses. 2 follow focus rings in the original boxes. Unused. $25 each