The Oetiker 15500002 123 Ear Clamp with Mechanical Interlock is a high-quality fastener designed for use in various industrial and business applications. Made of durable steel material with a silver color finish, this ear clamp features a unique mechanical interlock system for secure attachment. Compatible with Oetiker brand products, this inch-based measurement ear clamp comes in a convenient bag of 25, making it a versatile and reliable option for fastening needs.