The S90MMC Series of magnetic clutches and couplings have no friction or wearing parts, no magnetic particles to leak, and use no electricity. The products come in three different hollow bore sizes: 0.625, 0.750, and 0.875 in. in torques ranging from 3 to 70 lb-in. The easy-to-apply and adjust clutches and couplings are suitable for continuousslip, zero stick-slip, and smooth with no friction applications.

Sterling Instrument, 2101 Jericho
Turnpike, New Hyde Park, NY 11042,
(516) 328-3300,