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The Chief CMA-380 Concrete Fastener Kit includes four concrete fasteners to be used with concrete or brick installations with a maximum thickness of 1-3/16". Each fastener consists of a 3/8 x 2-1/4" anchor, a 3/8" nut, and a 3/8" flat washer.
The kit has a pullout strength of 1,130 lb at 4,000 PSI.