Plastic Star Knobs are uniquely designed to provide a comfortable and secure grip for high-torque applications. The smooth lines and rounded edges make our Plastic Star Knob a popular choice for consumer product applications, such as lawnmower handle bars, office furniture, and medical equipment where a comfortable grip is paramount. With Star Knob diameters that range from 1 3/8” to 2 1/2”, we have a knob that is perfect for any application. These five prong knobs are available in male, female thru, female blind, and female locking versions with either inch or metric threads. Custom inserts, custom hubs, and RoHS compliant parts ...