The Celsius Wire Ice Fishing Spring Bobbers allow you to detect even the slightest bite. These spring bobbers are constructed from spring steel and have fluorescent orange and chartreuse tips. Included is 1/4" heat shrink tubing to attach the bobber to the ice rod. Please do not try to place the heat shrink tubing over tip tops larger than 1/4".Each pack includes two spring bobbers. The Celsius Wire Ice Fishing Spring Bobbers are South Bend model FWB-2.