Commercial Electric 4 in. Offset Swivel Crossbar 81745 - The Home Depot
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Heavy Light Fixture Mounting Bracket / Crossbar in 1/8 IPS, 1/4 IPS, or 3/8 IPS Center Tap - 3/8 IPS Center T… | Heavy and light, Light fixtures, Mounting brackets
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Wholesale Iron Ceiling Light Fixture Mounting Bracket - Pandahall.com