ChubbySmack Concrete Anchors are nuts with the engineered bearing area built into the design. Used in all cast-in-place applications, it replaces j-bolts, hex bolts, sill bolts, and nut plate nut assembles. Included is the Smack-Chair, a specially designed anchor chair that provides a secure attachment and a color-coded threaded base, allowing easy installation and inspection. The anchors have a sure-thread feature ensuring 100% thread engagement with the concrete. Earthbound Corp. 800-944-5669.