Insulation retaining clip: high temp inconel to hold kaowool or other refractory  materials securely in place . Used to place kaowool in any shape you desire. They consist of a stud that gets welded to the structure you're using followed by a washer made from the same material. This is for the 4" inconel washer and stud combo.

please let me know if you require these and I’ll restock them for you.