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Commercial Electric 1 in. Mounting Base, Natural (100-Pack) HW-4AC - The Home Depot
Surface Mount Sign Support Base for 2 ⅜" Round Post – Evangeline Specialties
Commercial Electric 1 in. Mounting Base, Natural (10-Pack) HW-4A(10) - The Home Depot
Amazon.com: MOUNTUP Single Monitor Desk Mount, Adjustable Gas Spring Monitor Arm Support Max 32 Inch, 4.4-17.6lbs Screen, Computer Monitor Stand Holder with Clamp/Grommet Mounting Base, VESA Mount Bracket, MU0004 : Electronics
Amazon.com: 3M Cable Tie Mounting Base, 2-way Screw Mount, .60' X .41' : Electronics
Telespar™ Surface Mounting Base - Strada Sign Supply Inc.