12-10 Gauge #10 Heat Shrink Ring Terminal 100-Pack. Gauge Size 12-10. Screw Size #10. Product Features 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. UL Listed and CSA Recognized. Highest shrink ratio shrinks to 1/3 original size. Shrinks at 257 degrees F/125 degrees C. Operating temperature range 40 degrees C to 110 degrees 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 Gauge Size 12-10. Screw Size #10 Product Features . Cross Linked polyolefin tubing is much stronger than PVC tubing and will not burn Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as w UL Listed and CSA Recognized. Highest shrink ratio shrinks to 1/3 original size Shrinks at 257 degrees F/125 degrees C Operating temperature range 40 degrees C to 110 degrees C ANC