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Morris 17472 Rod Support Beam Clamp, Malleable Iron, 1/4" - 20": Amazon.com: Tools & Home Improvement
Amazon.com: OhLectric OL-72839 Beam C Clamp - Malleable Iron, Zinc Plated Beam Clamp - Features 1-1/8" Jaw Opening, 1/2"-13” Set Screw Size and 750 lbs Max Load - Safety Beam Clamp -
1/2" ROD EG IRON BEAM CLAMP 3/4" FLANGE- 100PK | Southwire
Halex 2 in. Malleable Iron Beam Clamp (10-Pack) 35610B - The Home Depot
Crouse-Hinds 533 2" Malleable Iron Beam Clamp and Insulator Support | Cooper Electric
Industrial Electrical Supply | Morris Products
Sigma ProConnex 13/16-in Malleable Iron Beam Clamp Conduit Fittings in the Conduit Fittings department at Lowes.com
Iron I-Beam Clamp | 7/8 Inch - 1/4-20 Thread | ShowMeCables.com
Minerallac 700 Malleable Iron Beam Clamp 1/4-Inch Rod 5/8-Inch Jaw Opening Zinc Plated
OhLectric OL-39372 Heavy Duty Malleable Iron Beam Clamps with 3/4“Jaw Opening – Zinc Plated-Supports Set Screw Sizes 5/16” to 18 and 125lbs Max Load - Pack of 2 - Amazon.com
The Plumber's Choice Purlin Beam Clamp for 3/8 in. Threaded Rod in Uncoated Iron 38CLPUPL - The Home Depot
Protectowire, Iron Zinc Plated Beam Clamp Assembly (w/Nylon Clip) - Century Fire Protection