System only requires four simple componentsOverall height is 20-1/8"Vertical adjustments of shelves in increments of 1-1/4"No tools necessary for shelf adjustmentsFront spacing lip allows for offset behind the face frameSupports are non-handed for easy installationFrameless application can be mounted with wood or Euro screwsFace frame application can be fastened with staples or wood screwsCan be factory installed or added to existing cabinetsThis item is sold as a 1 PackMaterial: PlasticWidth: 1"Width Slider: 1Finish Shown: White