Quality material: these insulation steel nails are made of low carbon steel and galvanized coating, which is sturdy and not easy to rust, has good insulation performance; Self locking washers round is made of mild steel, insulation dome cap washers are made of aluminum, which can be well matched work Package included: you will receive 100 pieces of insulating pins, 100 pieces of self locking washers round and 100 pieces of insulation dome cap washers, 3 pieces of a set, sufficient quantity and various styles can meet your daily needs and replacement Application areas: insulating pins are mainly used for wall insulation houses, equipment insulation, demonstration board installation, and other anchoring purposes, suitable for fixing fiberglass mats, extruded polystyrene boards, insulating foam boards, wood boards, etc Different fixing method: the insulating pins can be fixed in different ways depending on different walls, such as, to fix insulating pins on concrete floors or walls glued or self-adhesive, metal floors or walls by welded, various fixed style meets your need Easy to install: Clean the walls first, fix the base of the insulation nail to the ceiling or wall with adhesive, pierce the insulation panel into the nail, secure the panel with a self-locking washer, bend it or snip off an additional spindle, cover the pin with a dome cap, takes 10 minutes to complete installation Dimensions specifications: insulation pins measure 2-1/2 inches in length, self locking washers are 1.5 inches, and aluminum dome cap washers are 7/8 inch round, providing secure fastening for various insulation materials on walls, floors, and ceilings Corrosion resistant construction: galvanized coating on steel nails provides long-lasting protection against rust and corrosion, ensuring reliable performance in various environmental conditions and extending the service life of your insulation installation Insulation Pins