Material is stainless steel.
Dial diameter from 1" to 2-7/8".
They can be used for cooking, grilling and any places to measure the temperature, but not available for using outside or underwater.

Oven & Refrigerator Thermometer
We have sitting type, hanging type and mounting type.
Sitting and hanging type: Dial dia. 2", 2-1/4" and 2-7/8"
mounting type: rectangular 94.5 x 44 x 9.6mm ; 64 x 54 x 50mm
Scale ranges can be made by orders

Cooking thermometer
Dial diameter: 1" to 2-7/8"
Stem diameter: 3.8 or 6 mm
Stem length: by order
Range: by order
Material: Stainless steel
with or without clip