It is easily adjustable, drifts well, mends well, and has become very popular. There is also a way to thread it on the line to help make a “90 degree” angle to the drop line. Get a variety of sizes!
Packet of 3 floats.
3/4 inch for great for little nymphs, #8/10 on down to as small as you can see to tie the fly one!
1/2 inch perfect for big Stonefly nymphs with a dropper or anything you are using BB size split shot