Ancor 12-10 Female Heatshrink Disconnects - 25-Pack [320825]12 10 Female Heatshrink Disconnects 25 Pack Ancor heat shrink connectors offer heat activated adhesive built into the sleeve of the heat shrink tubing. When heated, these connectors form a water tight seal and the ultimate vibration and strain relief. Features: Tinned for corrosion resistance Pure copper for maximum current flow Brazed seam for maximum strength UL listed and CSA recognized WARNING: This product can expose you to chemicals including