This is a 160 piece Heat Shrink Tubing Kit from Novak. FEATURES: Protects and insulates solder connections All sections are 4" (102mm) long, black in color, and may be easily cut to desired length Will not cold flow, melt, or split when used over sharp or irregular solder connections RoHS compliant UL & CUL certified at 600V @ 257F° (125°C) Plastic reusable container with a snap closure and six compartments REQUIRES: Heat shrinking at 194 - 248°F (90 - 120°C) INCLUDES: Sixty 1/16" diameter Tubing Sections Thirty Five 3/32" diameter Tubing Sections Twenty Five 1/8" diameter Tubing Sections Twenty 3/16" diameter Tubing Sections Ten 1/4" diameter Tubing Sections Ten 3/8" diameter Tubing Sections Plastic Case