HOW TO FIT: Fits 1-1/4" (1.25) Od Square Tubing (1.25X1.25) With Inside Hole Diameters (Id) From 1" To 1 3/16" (1.00" - 1.18") and wall thickness of .040" - .122" (10-20 Gauge). EASY TO INSTALL: Our 1- 1/4" snap in plug is a long-lasting solution for many household or outdoor projects including: Fence/Fence Railing Posts, Gate Rail Post Covers, Trailer Frame End Posts, Pole Pipe Rod Caps, Metal Bike Fittings, Wrought Iron Steel Finishing Plugs. FLOORING PROTECTION: Prescott Plastics black ribbed plugs prevent scuffs on wood and other natural floors. They provide a protective “glide” for chair tips, bench feet, table legs, bar stools, patio furniture, and other furniture designed for furniture inserts and plugs. PREMIUM QUALITY PLUGS: Our plugs and inserts are designed to hold up in all harsh weather conditions and high traffic areas. MADE IN UK: These Plugs are specially designed and produced in UK to maintain quality, endurance and durability. Prescott Plastics heavy duty high grade plastic finishing plug, end cap for 1 1/4" outside diameter steel square tubing. This plug fits hole diameters from 1.00" - 1.18" (1" to 1-3/16"). Prescott Plastics heavy duty plastic plugs for square tubing are manufactured to provide a secure fit on multiple tube gauges. ►Package content - 10 pcs 1.25" Square Plastic Plug. ►These premium plastic plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, exercise equipment , bench feet, table legs, bar stool foot sliders, outdoor swing, trailers, fence/fencing railing posts, chair leg protectors, patio furniture inserts, water sports, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions. ►Easy to install and secure fit. ►Tips: ▷Please measure the inner/out diameter of your Furniture for proper fitment. ▷Check our other listings for different sizes.