Dual reservoir master to change from the single

halifaxhops said
With ReservoirMaster Cylinder Material: Cast IronPort Count: 2Primary Port Size: 1/2 X 20Secondary Port Size: 9/16 X 20Master Cylinder Color: GrayCasting Material: Cast IronBore Diameter: 1"

Thanks, have a 15/16 on the fish now, think I need a smaller yet .