The RONZ 4X Strong Z Series swivel eye/swing hook pure tin hydro heads are the strongest jig heads available world wide. The natural, fish-like shine and durability of this metal makes it the ideal jig head material. This series is designed to withstand heavy drag pressures and extreme fishing conditions. Tin is also a non-toxic, recylable metal making it “green”.The RONZ 4X102Z is the magic bullet of RONZ head and tail soft baits. This size will be your #1 favorite after a trip or two to the tuna grounds. With a cast weight of 4 oz. it will make the distance needed if cast with heavy braid and leader. The drop weight makes this bait swim at the ideal speed on the drop. With a spinning rod this bait can be dropped to 200ft without much effort and any pick up by fish can be easily monitored by line speed. This is a first choice when over 100lb tuna are present. Drop it down and work it up, think of it like putting pennies in a slot, sooner or later the pay off will come. Once you get to know this baits capabilities it will own you!