Ice Strong Titanium Spring Bobbers are perfect for seeing and feeling finicky bites from Bluegills, Crappies and Perch!All bobbers are made in Michigan, USA!Below is a breakdown of specs for each bobber variation/design model. ORIGINAL ICE STRONG TITANIUM SPRING BOBBERS*.016 Single Strand, Super Elastic, Titanium40lb test​Bright bead indicator (Flame Red, Pretty Pink, Neon Green)Ideal for fishing panfish with 2.5-5.0mm Tungsten Jigs.ULTRA-LIGHT ICE STRONG TITANIUM SPRING BOBBERS*.014 Single Strand, Super Elastic, Titanium30lb test​Bright bead indicator (Flame Red, Pretty Pink, Neon Green)Ideal for fishing panfish with 1.0 - 3.0mm Tungsten Jigs & Flies.XL ICE STRONG TITANIUM SPRING BOBBER*.020 Single Strand, Super Elastic, Titanium70lb test​Extra large, highly visible bead Flame RedIdeal for deadstick fishing.The Pulse Bobber – MOST sensitive       Designed for 2.0-3.0mm tungsten jigs and ice flies       Colors: Flame Red-Orange       Perfect for palm rods and long rodsWays to attach your Ice Strong Titanium Spring BobberOPTION 1Tie your bobber direct to your rod tip with rod building thread and a dab of glue.  *This is a fixed optionOPTION 2Use a dab of glue and shrink tubing over the rod tip.  Shrink it down with a heat gun. *This is a fixed or adjustable option OPTION 3Use LocTite Fusion/Plumbers tape, a self adhesive tape. *This option allows for bobber adjustability. OPTION 4Use small rubberbands/hair ties. *This option allows for bobber adjustability. OPTION 5Use dental floss and finger nail polish.*This option allows for bobber adjustability. OPTION 6Use shrink tubing and tiptop glue.*This option allows for bobber adjustability.