The #166 1-5/8CTx1-1/2INS SNAPPITZ by PHD Manufacturing Inc. is a reliable fastening solution tailored for insulation applications. With a 1-5/8 inch outer diameter and a 1-1/2 inch insulation thickness, this product is crafted from durable materials to ensure long-lasting performance. The SNAPPITZ design allows for easy installation and secure connections, meeting industry standards for safety and reliability. This component is compatible with various systems, making it a versatile choice for professionals seeking quality and efficiency.