Provides mechanical assistance for heavy appliances such as a mixer Features soft-close dampers for smooth closing Can be used in both frameless and face frame cabinetry Shelf (not included) can be custom fit to any cabinet size Three spring settings for up to 45 lb. capacity Minimum cabinet opening 12". Shelf width is determined by measuring between the side mounting brackets minus 1-1/4". #10 pan head screws for mounting to cabinet included Save your back and counter space with a soft-close appliance lift. This hardware provides mechanical assistance for heavy appliances such as a stand mixer. Lift attaches to the interior of the cabinet and attaches to a shelf (not provided). Shelf can be custom sized to fit any cabinet from a 12" minimum to 24" maximum. Soft-close dampers ensure slow and smooth closure into cabinet. Lift locks into place when fully extended. Three spring settings for up to 45 lb. weigh rating. Can be used in either face frame or frameless cabinetry.