They were perfect for the top of the frames on my privacy screen and handrails. The supports I used were actually 3.5 x 3.5 (nominally 4 x 4) and polymer coated, and there was still plenty of wiggle room. I only needed 6 but I was only able to buy multiples of 4.
Non-Slip Brown Carpet Stair Treads - 15-Pack Of 8"X30" Runners For Wooden Steps
39 Review
RF Remote Control Switch EMylo Smart Wireless Relay AC 110-240V 2000W 1 Channel Momentary 433MHz Module With 2 Transmitters
40 Review
Protective And Stylish: XCEL 4Ft W X 5Ft H Black Steel Fence Gate With Anti-Rust Technology And Sharp End Pickets For Effortless Installation And Durable Outdoor Use
34 Review
IKSTAR EVA Thermal Plastic Door Cover 38" X 82": Insulated Magnetic Curtain Keeps Cool Summer, Warm Winter For AC Room, Kitchen & Stair - Brown
40 Review
Seal And Insulate Your Doors And Windows With TamBee Self-Adhesive Weatherstrips - 65.6 Ft Black Roll
38 Review
White Self-Adhesive Tape For Weatherproofing Doors And Windows - 16Ft X 1.77In (45Mm) - Includes Weather Stripping And Silicone Seal Strip For Draft Stopping And Shower Glass Protection
27 Review
Keep Your Home Comfortable With 6.5Ft Of White Foam Insulation Tape For Doors, Windows, And AC - Soundproof, Dustproof, And Cooling
34 Review
π₯ MH40NG Mr. Heater F272800 40,000 BTU Multi Natural Gas Garage Heater
26 Review