D Shaft Knob: The interface of the air fryer is D-shaped, which is more convenient for installing the fryer in a narrow space and is not easy to fall off. Please confirm the correct interface you need before purchasing Plastic Material: The air fryer knob is made of high-density plastic, which is durable and high-temperature resistant, so it has no effect when used in a high-temperature air fryer Anti-slip Design: The knob is 1.2 inches in diameter and 0.9 inches in height. The sides are anti-slip treated, so even if there is oil on your hands it will not affect the rotation Easy to Install: The air fryer replacement knob is easy to install, just align the mounting axis, press the knob down and fix it on the mounting axis, no additional tools are required After- : We are committed to giving customers a good shopping experience. If you need help about the air fryer handle replacement parts, please inform our customer service and we will do our best to solve it for you, Manufacturer: Niltracy