3m heat shrink tubing kit - 133 piece
for engineers technicians designers and hobbyists . you get over 66 feet of flexible polyolefin heat shrink tubing in 6-inch lengths . clear and 6 colors black red white blue yellow and green . 6 expanded diameters 3 32in . 1 8in . 3 16in . 1 4in . 3 8in . and 1 2in . tubing shrinks to half diameter when 250deg f heat is applied with a heat gun or torch . organizer case . u.s.a.