McCoy's Flanged Tube Pyrex Glass Rattles are made of the highest quality technical glass with stainless steel ball bearings. According to the pros they are the loudest in the industry. These are flanged tube rattles, which are made for tube-type baits. One end of these rattles is flanged to help keep them inside your tubes.

Proposition 65
WARNING: Cancer and/or Reproductive Harm - www.P65Warnings.ca.gov.