Products Search by Part Number Products>Actuators>Linear Actuators>Standard>CS2>CS2 Kunckle Joints CS2, Accessory, Knuckle Joints Series CS2 add on, rod end, single and double knuckle joints. Double & single knuckle joints Applicable to 125mm, 140mm and 160mm bore sizes Configuration Options Select Product Options Select values from the drop down lists or make appropriate selections to configure the part number. Model -- Pick an Option -- I (Single Knuckle Joint) Y (Double Knuckle Joint) Applicable Bore Size -- Pick an Option -- 12A (125mm) 14A (140mm) 16A (160mm) Options in: Gray are not compatible with other selected option value. Red conflict with another selected option value. Amber are not recommended.