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With the Facom 83H.JL13 hex key set, you tackle heavy-duty fastening jobs with maximum control and power. Featuring a wide metric range from 3 to 19 mm, this set provides the exact size you need for machinery assembly and mechanical maintenance. The long-arm design delivers extra leverage to break loose stubborn fasteners and gives you reach into deeply recessed areas. Because these keys have straight hexagonal ends without a ball point, you transfer maximum torque directly to every bolt. After the job, you keep all 13 pieces neatly organized in the durable storage wallet.