Durable quality: EZends plastic hole plugs are designed for high impact abuse and long-lasting endurance. Made from heavy duty, high quality Black (LDPE) polyethylene plastics. Made in USA Measurements: The most important measurement is the round tubing's inside distance. The inside distance must measure between (.58 inch - .68 inch) or for metric ( 14.83mm -17.27mm ). Provides a flush sleek look when installed with round tube outside diameter (3/4 inch) or for metric (19 mm). Fits 14 gauge up to 20 gauge tube wall thickness. Multiple applications: used for commercial and small house hold projects such as end caps for round tubing, chair leg floor protectors, Plastic plugs for metal stools, metal or aluminum fence post caps, round pipe or round metal tubing, chair sliders, fence rail end caps, chair leg inserts for metal legs, finishing end cap plug for fabrication projects, outdoor chair leg floor protectors, patio furniture replacement feet, bar stool foot protectors Floor Protection: When used as furniture chair glides, these plastic round end caps installed on furniture legs can prevent scuffs, scratches and markings on wood, tile, pavers and natural flooring. Perfect for basic house, patio, and office furniture. Easy Install: Easily inserts into your round tube end or pipe with a simple push of the thumb or a gently tap with a rubber mallet or hammer. Floor noise: Allows furniture leg tips to glide quietly over flooring surfaces eliminating annoying floor noise. Weather-proof: Designed with flexible fins for a snug tight weather-proof seal. Engineered with UV sun protection. Will not fade, chip, peel, rust or corrode. Prevents rust stains: prevents wet metal furniture legs from contacting wood and natural flooring. Package quantity: 50 Fits round tube outside dimensions - (3/4 inch) or for metric (19 mm). Fits round tube inside dimension or opening - (from .58 inch up to .68 inch) or for metric (from 14.83 mm up to 17.27 mm) Gauge compatibility - Fits from 14 gauge up to 20 gauge tube wall thickness. Proof of size - Has proof of size 14/20 Ga embedded on the side of cap Package quantities available -100, 50,20,10 pieces Multiple applications - Plastic 3/4 plug inch has many general uses: chair glide floor protector, fence post end cap, fitness equipment, tubing and pipe end caps, outdoor chair leg protectors, patio furniture feet inserts, plastic pipe cap, pipe plug. Plastic type – UV weather resistant. Provides durable long- lasting and weather- proof protection. Made with heavy duty Black LDPE polyethylene plastic will not chip, peel, rust, or corrode Color – Black Hardness durometer - 50d Max temperature – 150 degrees Fahrenheit