Ok: for those looking for quality, this self-locking clamp that keeps the elements tight in the manner of greenhouse joints (after bonding for example), makes a substantial clamping force without damaging (scratching) or hard materials polite, and the mechanism for now seems quite reliable. This better gripped with flexible plastic clamping wedges for an increased grip power, but here the plastic is very strong and this is essential with the clamping of objects or small sections contending objects. Recommended.
