Lotus LED Lights LD4R-5CCT-HO-4R-SR-ST-60D 4 inch Round Deep Regressed LED Downlight High Output 18W 5CCT 27-30-35-40-50K - 60 Deg. Beam Angle - Silver Reflector Silver Trim Lumens_1670 3 Watt T9 LED Filament

3 Watt T9 LED Filament Nostalgic - E26 Medium Base - 2100 Kelvin Warm White - 200 Lumens - Antique - 120 Volt

They have a mogul base (E39) and a broad 120 degree beam spread

and sculpted shade rings

2 inch Round LED Regressed Downlight - 27K-30K-35K-40K-50K Selectable - 60° Beam Angle - Alzak Reflector - Shower Trim - Black

Morris Products 91722 I Beam Ground Clamp Clamped To Beam #4 - 2/0 - This I Beam Ground Clamp keeps Ground Electrode Clamped To Beam when Grounding to I Beam

Lotus LED Lights LD4R-5CCT-HO-4R-SR-ST-60D 4 inch Round Deep Regressed LED Downlight High Output 18W 5CCT 27-30-35-40-50K - 60 Deg. Beam Angle - Silver Reflector Silver Trim Lumens_1670 3 Watt T9 LED Filament4 inch Round Deep Regressed LED Downlight High Output 18W 5CCT 27 30 35 40 50K 60 Deg. Beam Angle 1500 1700 lm Silver Reflector Silver Trim Elegant Design Without Glare CRI 90+ for True Color Rendering 3 1 2 inch Deep Fits in Limited Ceiling Space Type IC Rated Air Tight & Wet Location No Housing Required Armoured Cable & Metal Connectors Open Plenum Rated Fast and Easy To Install Save On Labor 120V Triac Dimmable Driver Inside Connection Box No