Duraline Solid Rubber Molded Single-Pole 1022 Series Male Sleeve 350-500 MCM.  Male Sleeves for Ball Nose Cam-Type connectors cable size 350-500 MCM. Duraline 350-500 MCM sleeves for 1022 single pole products are molded with UV-stabilized and flame-retardant rubber, and molded in a way to eliminate voids and air gaps.

Some applications include entertainment, oil and gas, ship-to-shore power, shipbuilding, mining operations, power distribution, construction sites, and other temporary power applications.
Sleeves are compatible with Leviton 22 Series Connectors and Eaton Cam Lok E1022

Duraline Single-Pole 350-500 MCM Male Sleeves are best if used with Duraline Single Pole Series 1022 Cam-Type Contacts found Here

Made in the USA