Self-Adhesive pins are pins with a flat back, and no holes, you could stick on to surfaces using the adhesive strip that is now present. Mini-Cupped Weld Pins: These insulation pins really weld for the sheet steel duct and The pinnacle from the pin holds the insulation in position. A https://chancejragk.gynoblog.com/29423356/details-fiction-and-insulation-hanger