SCT-900R • 2.188” Round • Pressure Fit • 1.875” Cutout SCT-900B • 2.188” Square • Pressure Fit • 1.875” Cutout  SCT-1000 • 2.188” Square • 4 Screw Holes • 1.875” Cutout SCT-2000 • 3.125” x 2.063” • 4 Screw Holes • 2.313” x 1.75” Cutout     MORE >>