Insulation lacing anchors and insulation self-locking washers.

HVAC insulation supplies. Our hungary customer purchased 20Box lacing wahers and 20box insulation self-locking wahsers. 1000pcs/box. 

SS304/ 2.5inchLA/25mmLW

Shipped to hungary, see attached pictures.

 they are used for reusable or removable insulation jackets.