Clamp with black head made of metal for high pressure applications. Is tightened with a nut and saves the hose from damages. Can not be compared with a thin standard clamp. Please pay attention that Silicone Hoses are always measured by the Inner diameter. You have to add 5/16" to 3/8" (8-10mm) Wall Thicknesses to get the Outer diameter!
You will receive 5 clamps in a set, when ordering 1 item
