Products Search by Part Number Products>Actuators>Linear Actuators>Tie Rod>MB-Z>MB, Accessory, Single Knuckle Joint MB, Accessory, Single Knuckle Joint The MB series add on single rod end knuckle joint. Single knuckle joint Applicable series: MB Applicable bore sizes: 32, 40, 50, 63, 80, 100 Configuration Options Select Product Options Select values from the drop down lists or make appropriate selections to configure the part number. Applicable Bore Size -- Pick an Option -- 03M (for 32 Bore) 04M (for 40 Bore) 05M (for 50/63 Bore) 08M (for 80 Bore) 10M (for 100 Bore) Options in: Gray are not compatible with other selected option value. Red conflict with another selected option value. Amber are not recommended.