The Tiny-Clutch 2417 Magnetic On-Off Clutch is based off of our M50 Magnetic Spring Clutch. This clutch features a hub adapter with an 1/8" | 3.2mm pin that allows slip fitting on a slotted shaft & a custom pigtail on the wiring. It has an 8mm bore & is available in either 12VDC or 24VDC configurations.