The simplest inventions are the most adaptable and useful. Just consider all of the things that you can do with Harken's 51mm Standard Eyestrap besides mounting it atop a Trigger Cam Cleat.
Harken Eyestraps are by far our most popular sellers. They are economical and adaptable enough to work in many applications, which makes it a useful multipurpose hardware item to have on hand.
Typically used for mounting bases for blocks, lashing points, fairleads, you name it.
Tip: Eyestraps are a good item to have few extra of in your toolbox.