1、Supercharged Design: Moving and rotating in the water creates turbulence, causing internal bearings to transmit noise, mimicking the distress signal of injured bait fish. 2、Plastic And Stainless Steel Material: Fishing lure insert tube rattles are made of plastic and stainless steel, so it is durable enough for long time use. 3、Improve Fishing Efficiency: Sound of the collision of the stainless steel ball has a certain attraction to the fish, increasing your catch rate. 4、Wide Applications: Fishing lure insert tube rattles are suitable for marine fishing, marine rock, lake, river, reservoir pond, etc. 5、Easy To Carry: Fishing lure insert tube rattles are is light in weight, easy to carry, and will not increase the burden of your travel. 20 x Fishing Lure Rattles