25 Piece, Snug, Wood Post Insulator, Complete With Galvanized Ring Shank Nails, Designed For High Tensile Use, Perfect For Equi-Rope & Temporary Fencing, Large Diameter Flange Prevents Arcing, Heavy Fingers Carry Wire 3/4" From Post, Offered With Galvanized Ring Shank Nails Or Plain, Molded Of High Density Polyethylene With Carbon Black For Superior UV Resistance, Performs In Any Climate.