Black PVC rubber standard mounting grommet for all 3/4″ round lights, including popular J-51, J-53, J-54, J-55 and J-56 Series lamps for recess mount. J-54-GM/S is supplied standard with all 3/4″ Marker Light Kits.
Hole Cutout Size: .75″ Diameter
Use J-54-GMS for Sealed Mounting.
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Warning: This product can expose you to chemicals including Phthalates, which is known to State of California to cause cancer, birth defects or other reproductive harms.