Cross Linked polyolefin tubing is much stronger than PVC tubing and will not burn like PVC. Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief. Nylon insulator, preferred by experts. UL Listed and CSA Recognized Highest shrink ratio - shrinks to 1/3 original size. Shrinks at 257° F/125° C. Operating temperature range 40° C to 110° C. Tinned for corrosion resistance. Pure copper for maximum current flow. Brazed seam for maximum strength. Wire Range mm� Screw Size Qty/Pkg Part No 12-10 3-5 #8 100 315299 12-10 3-5 #10 100 315399 16 - 14 1-2 #8 100 314299 16 - 14 1-2 #10 100 314399 22 - 18 0.3-0.8 #8 25 313225