HST-250 Features: -Heat shrink tubing.-Non adhesive lined.-Polyoelfin shrink tubing shrinks under heat application to insulate wiring up to half its diameter.-Also useful for repairing cords and covering tool handles.-Makes strong rope loops and neat ends.-6 Per card. Color/Finish: -Color: Black. Dimensions: -Dimensions: 0.25" W x 4" D.