Double boiler in the outer and inner pot for heating wax, preventing excessive temperatures and ensuring safety during use. Scale inside the water tank allows for easy measurement and usage, simplifying the candle-making process. Handle has a hanging design and short hook shape, making it convenient to use for all diy candle-making projects. Double-nozzle boiler with pouring troughs at both ends to prevent liquid splashing, making it easy to clean. The wax melting cup is sturdy and to high temperatures and safe to use, ensuring durability. Colour:Silver Material:Stainless steel Package Contents: 4 x double boiler for candle making Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.