Microwave Time Control Knob Universal Timer Plastic Rotate Switch 7MM White 4PCS

What is this?
Microwave Time Control Knob are universal control accessory for the microwave oven and electric stove,home,Kitchen ,etc.

What will I get?
Size:Diameter:43mm/1.69 inch;
Shaft height:17.5mm/0.68 inch;
Shaft Inside:7x5mm/0.27x0.19 inch;
Shaft Outside:12x9mm/0.47x0.35 inch;
Material:Plastic;
Color:White;
In the package of:4 x Microwave Time Control Knob

Is there any advantages of the product?
It is made of plastic material,It has high reliability and durability,easy to install and operate,you can set the heating time by rotating it, which is very convenient.

How to use it?
Steps of using:
1. Unplug the microwave oven from the power supply. 
2. After removing the control knob from the oven or microwave oven, determine the type and shape and the appropriate adapter, and install the selected adapter; 
3.Then press the control knob inside the microwave oven. 

What should  I notice?
Notes:Turn off all the power before repair and wear gloves to protectoneself!