Thin-Wall Heat Shrinkable Tubing Assortment precut in 6 inch lengths - six sizes from 3/16 to 1" of multi-colored tubing, includes plastic storage case. 2:1 shrink ratio non-lined.Temp. range 55 to 135 deg.C Shrink temperature 120 deg. C Meets UL 224, 125C; CSA 22.2 No. 198.1, 125C; MIL-DTL-23053/5 Class 1&2; AMS 3636 & 3637; DEF STAN 59-97, Issue 3, Type 2a