Products Search by Part Number Products>Actuators>Specialty Actuators>Stainless Steel>CJ5-S>CJ5, Accessory, Knuckle Joints CJ5, Accessory, Knuckle Joints Series CJ5 add on stainless steel rod end knuckle joints. Accessory: knuckle joints Single and double types Configuration Options Select Product Options Select values from the drop down lists or make appropriate selections to configure the part number. Type -- Pick an Option -- I (Single Knuckle Joint) Y (Double Knuckle Joint) Applicable Bore -- Pick an Option -- 10mm 16mm Options in: Gray are not compatible with other selected option value. Red conflict with another selected option value. Amber are not recommended.