One wood think no-drill light buttons specifically designed to fit the vent holes in our shelves. Comes as a set of 8. A shelf button fits into our vent hole - they are flat on the top, and the screw underneath will secure lights or other accessories.Ideally suited for securely mounting barrina grow lights inside your greenhouse cabinet. Our shelf buttons come in sets of 8 and in sizes to fit each of our vent hole patterns.
Please select flower, round, test tube, elliptical, chevron, or quatrefoil shaped vent holes from the drop down box. For our flower vent holes, the light button fits into the center round hole found in each flower design. This item is made of plastic.