Allstar Performance 3/4-16 LH Aluminum Jam Nuts 10pk — 1-1/8in Wrench | ALL18283-10 1981-jeep-dj5-esi8369307 "name":"What material are these clamps

"name":"What material are these clamps made from

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Allstar Performance 3/4-16 LH Aluminum Jam Nuts 10pk — 1-1/8in Wrench | ALL18283-10 1981-jeep-dj5-esi8369307 "name":"What material are these clampsAllstar Performance aluminum jam nut, 3 4 16 Left Hand thread, sold in a pack of 10. Used to lock rod ends or threaded components tightly against suspension tubing or rack and pinion steering shafts, preventing the adjustment from loosening under vibration. Thread Size: 3 4 16 Thread Direction: Left Hand Wrench Size: 1 1 8 in Material: Aluminum Finish: Natural Quantity: 10 jam nuts per pack Part Number: ALL18283 10 Allstar Performance Spec Sheet (PDF)