The #166 2-1/8" CT x 1-1/2" INS Snappitz from PHD Manufacturing, Inc. is a versatile fastening solution designed for structural applications. With a core size of 2-1/8" and an insertion depth of 1-1/2", this Snappitz provides secure connections in strut systems. Its robust construction ensures long-lasting performance, making it ideal for both indoor and outdoor use. The easy-to-install design simplifies the assembly process, allowing for quick and efficient setups. This product meets stringent industry standards, ensuring reliability and safety in various applications.