Stainless steel bands

Stainless Steel Buckles KL-25-T-C304 either called Ear-Lokt Banding buckle 25 C304 , is designed to securely fasten stainless steel banding straps together, providing a strong and durable connection. The buckle has teeth on the inside that grip the banding strap as it is tightened, ensuring that the strap will not slip or loosen over time.

https://www.jera-fiber.com/stainless-steel-buckles-kl-25-t-c304/