Designed for additional height adjustment within specific applicationsStandard 1 1/4" work surfaces with 3mm edge Work surfaces ship pre-drilled for quick installation Specify table shape, laminate, edge band color and grommet option Option for dual 2 1/2" round grommet holes for monitor arm mounts and cable management Grommet holes come with finished black sleeve Pinch point safety code requires a 1" off-set from three sides of an adjustable table top. Therefore the actual width of a work surface is 2" shorter than the nominal width of the work surface and 1" less in overall depth. For crank or electric table bases 30" depths 48" lengths Five laminate colors - beige, folk stone, graphite, mouse, or stone Three edge band colors - black, gray or pebble