Item specifics:Color: Black，Red，Yellow，Blue，GreenQuantity:328PcsThis listing is for a set assortment of 328 pieces of Polyolefin Heat Shrink Tubing.This product has a 2:1 shrink ratio and is both UL & CSA certified for up to 600V @125 Degree Centigrade.Product is also RoHS Compliant.The Compact translucent storage plastic bag with molded catch to prevent spillage as well as compartments labeled with size makes this a handy item for the Technician or Hobbyist work bench or van.Package Included:1x 328Pcs(8 sizes) 2:1 Heat Shrink Tubing