Perma-Fit™ Thin-Wall multi Purpose Heat Shrink Tubing, 4.75mm (.187") InsideDiameterAs SuppliedBlack0.48m00.0Length博-飞度™薄壁多用途热缩管, 4.75毫米( .187 “ ) InsideDiameterAs SuppliedBlack0.48m00.0Length