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Title: Did not perform to my expectation
Review: I wanted to nail plywood on concrete slab floor. I bought the Porta 460 nailer gun and 2-1/8 Inch nails. I did test run, and found that only 1/3 of the nail could penetrate the concrete and the nails get bend. I tried with 3/4" plywood. I guess these nails may be used for 1-1/2" thickness woods. Later I had to switch to 1-3/8" inch nails.
