562-640, RS PRO, RS PRO Adhesive Lined Heat Shrink Tubing, Blue, Red, White, Yellow 12.7mm Sleeve Dia. x Set Length 2:1, 3:1 Ratio RS PRO Adhesive Lined Heat Shrink Tubing, Blue, Red, White, Yellow 12.7mm Sleeve Dia. x Set Length 2:1, 3:1 Ratio