Single door mounting units are sold in pairs of one right and one left-hand block for symmetrical installation on top and bottom of the cabinet. Double blocks are for butt doors where there is no cabinet framing between the doors and are sold as individual pieces. Standard packaging quantities are noted with each item (click on description under each photo for a larger picture and quantity information), but we will ship any quantity that you need. For pricing, quantity discounts, and availability; contact us at openthedoor@frontier.com. All units are provided with magnet and shock installed, mounting screws, door magnets, and door bumper. Click on the description under the thumbnails, for packaging quantities and a larger photo.