These are very easy to use. They are connected by screws. They’re very large. It is necessary to screw them all the way all the way to the right side. The clamps can open far for the person who is using them. The clamp isn’t too firm, but it’s still tight enough. It’s loose, and it doesn’t remain in place any more. The barb is loosened but you can’t make the clamp tight enough to hold it. The user prefers a clamp that is smaller and this is the reason why that he utilizes it. It is ideal to create a stainless-steel clamp. It’s easy to locate. Model number 6920. If you’d like to check it out yourself. If you’re interested in learning more stay tuned for further information. rg1jq6mfmi.