Condition is Used. Mac Pro 2009 4,1 (to 5,1) Delidded CPU Install Guide (x5680 x5690 12-core CPU Upgrade). No residues of solder, thus much better thermal conduction. T-key wrench. You can buy it from amazon: "EKLIND 54930 3 MM Cushion Grip Hex T-Handle T-Key Allen wrench".
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