The handle plugs into the temperature regulator and has an attachment at the end for the heads to screw into. You can use one handle and interchange the heads.
Horn Head - The horn is pointed for scribing. Its curved side is great for adding texture to the surface. The marks it makes are similar to those on the ancient Fayum portraits.
Iron Head - The Iron has a flat bottom and a sharp point. the sides and top edge are slightly rounded.
Scoop Head - The Scoop can be used for digging into the surface and carving 3-D work. You can also melt wax in it for dripping.
Spatula Head - The Spatula has edges of different lengths for making marks of different sizes.
Temperature Regulator - Controls the temperature of your Heated Spatula. It prevents the wax from overheating and becoming dangerous. This regulator accepts one tool at a time and plugs into a regular household 120 outlet.