Single Expansion Anchor
Material:Zinc Alloy
Size:1/4,5/16,3/8,1/2,5/8,3/4
Designed for attaching to concrete, brick or block base material. The Single expansion anchor/shield bolt can be removed and replaced without affecting the holding values of the single expansion anchor. Single expansion anchors come in six sizes, that refers to the inside diameter of the anchor, i.e. size of the bolt to be used