Wedge Anchor Bolt 1/2" x 4-1/4" (Package of 10) – OmniSteelSupply
Amazon.com: IIVVERR 2 Pcs M6x40mm C Type Hook Bolts Expansion Sleeve Anchors Fastener for Concrete (2 Unids M6x40mm Tipo C Tornillos de Gancho Manguitos de Expansión Anclajes Sujetador para Concreto : Everything Else