Perma-Fit⢠Thin-Wall multi Purpose Heat Shrink Tubing, 3.18mm (.125") InsideDiameterRed30.48m (100.0博-菲塔?? ¢薄壁多用途热缩管, 3.18毫米( .125 “ ) InsideDiameterRed30.48m ( 100.0