In the Breeze Fiberglass Ground Mount for Free-Standing Poles In the Breeze item #3674  Fiberglass Ground Mount for Free-Standing Pole 36-Inch shaft of solid fiberglass. Irremovable vinyl cap protects pole interior when mounted. 5/8-Inch diameter, tapered on one end. Will work only with poles with INTERNAL DIAMETER LESS THAN 5/8-INCH. Instructions for Use: Carefully insert the mount 12 to 18 Inches deep into the ground. Place open bottom of extended pole over ground mount. Recommended for use with In the Breeze 10 FT or 13 FT telescoping poles