WesBell has a long line of heat shrink tubing products available for purchase online. There are different heat shrink ratios, colors and temperature ratings to give a wide range of avalability for each application. Our heat shrink tubing comes in sizes up to 4 inches in diameter (1" online), spools or 4' lengths and cut to length if needed. As an ISO 9001 company WesBell can meet the strict requirements of any specification sheet provided.