The TCH130 is designed to help you make superior chocolates and a wide range of low temperature based candies. The TCH130 is made of durable laboratory glass and is engineered to give you the precise measurement accuracy necessary for successful chocolate tempering.- Measurement Range: 40 to 130F- Waterproof- For chocolate tempering- Durable laboratory glass- Non-mercuric column- Protective case- Dimensions: 0.25 W x 12 H x 0.25 D (in) / 0.6 W x 30.5 H x 0.6 D (cm)