Doctored Locks Heat Clamp is a variable temperature hot tool with dual heating elements for a smooth seal on both sides. It can reach temperatures up to 200C (392F). This is one of the nicest tools on the market. Perfect for Shrinkies, nail tipped/pre-bonded hair and sealing open ended braids (kanekalon fiber recommended). This tool is also great for adding and purging fusion bonds! The 220v tool is for European outlets only.