FIBERGLASS GROUND SLEEVES ELECTRI-GLASS Durable fiberglass ground sleeves for The Durham AM series sectionalizing pedestals. The pedestal bases offer a long term solution to corrosion problems and offer key benefits that aid in cable storage and cable training. The sleeves come predrilled to match the AM series pedestals and include stainless steel mounting bolt kits. Units can be stacked for easy storage. Dimensions: 18H x 60W x 18D, Phase: Three, Pkg. Qty.: 1