Fi-Shock SC-950 Yellow T-Post Safety Cap and Insulators, 10-Per Bag One molded piece made from polyethylene with UV inhibitor that snap on and around all standard (1.25" and 1.33") stubbed T-posts Protects people and animals from sharp-edged T-post tops Accommodates any gauge polywire and polytape up to 2-inch Holds tape tightly to limit movement 25 Insulators per bag