Shrink Tube Assortment. PVC shrink tubing assortment in impact resistant box. This assortment contains 38, 6" pieces of popular sizes of shrink tubing in our see through impact resistant box. 6 sizes in 6" lengths: 1/8" 8 pc. Order # 32-11551 3/16" 7 pc. Order # 32-11552 1/4" 7 pc. Order # 32-11553 3/8" 5 pc. Order # 32-11554 1/2" 4 pc. Order # 32-10655 3/4" 3 pc. Order # 32-10666