Abstract
Aspects of the present invention provide devices and methods for installation of countertops. A countertop installation device may include: a housing; a rim, extending outwards from the housing, the rim being connectable to a frame; a movable tongue arranged to move along a first axis of the shaft, and extend from the housing; and an adjustment screw configured to adjust the location of the movable tongue along a second axis. During installation of the device, the first axis may be the horizontal axis and the second axis may be the vertical axis.