24/Pack Tie Down Engineering 59125L Patio Anchor Expansion Olt

Designed to be bolted to an expansion sleeve in an existing concrete slab or footing with only a 5/8" drilled hole for expansion anchor bolt. Concrete must be 2500 PSI minimum slab with 4" minimum thickness and 6/6 x 10/10 wire mesh or fiber mesh installed. Concrete slab must allow 4725 lb. of vertical tension on anchor without lifting. This assumes that the concrete weighs 150 lb. per cubic foot. Minimum distance from the anchor shaft to one edge of the slab is 4" from one edge and 6" from any other edge. Black color.