Luhr Jensen Dipsy Diver Monster "O" Rings are made to fit both #1 (Large) and #3 (Jumbo) size dipsy diver. They are easy to snap on and will give you a deeper dive by 20% more than without it.
Luhr Jensen Dipsy Diver Monster "O" Rings come 4 to a pack, with 2-yellow, 1-black and 1-white ring.