3/8" x 4" Powers Lok-Bolt AS® Sleeve Expansion Anchors, Hex Nut, Carbon Steel Zinc Plated

The Lok-Bolt AS® is an all-steel pre-assembled single unit sleeve anchor which is designed for use in concrete or masonry base materials. The anchors are available in multiple head styles for multiple applications and a finished appearance. Anchor extender sleeves can be added to create longer lengths.