stainless steel Key ring type
-Easy to get on and off
-Cheap to buy
-can use different floats (big or small)
-Simple 120mm dia by 6mm stainless steel ring turned 2.5 times so it doesn't bend or distort and its quick to put on an off the anchor line
-Chain goes thru the ring and anchor stays afloat
Chimo
Capt has heaps of them too