Plastic knobs we offer have excellent resistance to most oils, greases and fuels. These have many electrical insulating properties. These are utilized as the best materials that find utility with knob inserts. Plastic knobs are the rounded handles which can be firmly as well as comfortably hold onto machinery pieces. These are needed to operate the control. They go well with T-shaped, axisymmetric and spherical shaped items. These are needed to transmit the force between a person's hand as well as object. These boats of excellent resistance to most oils, greases and fuels. These boast of good electrical insulating properties and can be fixed well with the knob inserts.