Features Adhesive Lined Heat Shrink Ring Terminals; 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, for Marine Grade™ resistance to sunlight, water, oil, chemicals, vibration and cut-through damage; Highest shrink ratio - shrinks to 1/3 original size; Shrinks at 257° F/125° C; Operating temperature range 40° C to 110° C; Ancor heat shrink connectors offer heat activated adhesive built into the sleeve of the heat shrink tubing; Shrinks to form a water tight seal and the ultimate vibration and strain relief; Tinned for corrosion resistance; Pure copper for maximum current flow; Brazed seam for maximum strength; Wire Range - 16-14; Screw Size - 5/16 in.; Pack - 3; .