The UCAN Wedge Anchors are made to the highest quality standards. With Category 1 Classification, these wedge anchors are resistant to static, wind and seismic tension, as well as shear loads in cracked and uncracked normal weight concrete that has a specified compressive strength between 2500 psi and 8500 psi. Features: Zinc plated Seismic and cracked concert applications Surface through and stand-off anchoring Anchor size = Hole size CSA A23.3-14 Meets Annex D requirements Applications: Strut and Cable tray Steel base plate Pipe support