Omega Heavy-Duty Element 25% higher torque capacity. Fits standard hubs. Available in all sizes.	Omega Positive Drive Coupling With interlocking drive for short-term limited use. Omega Keyless Hub/Bushing Design Several optional keyless Hub/Bushing designs are available.
Omega Stainless Steel Element Corrosion resistant stainless steel shoes for severe environments i.e: cooling towers. Stainless steel hubs & capscrews also available.
Omega Light­Duty Element Available in size E2LD only. Minimum O.D. (2.5") for tight applications. Max torque rating of 100 In. Lbs.

* Contact factory for further information.