3M Heat Shrink Tubing — 133-Pc. Set

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 250°F heat is applied with a heat gun or torch. Organizer case. U.S.A.