A replacement star knob for the broken hand knobs. Screw type for easy installation. Plastic star head for comfortable grip. Widely used for mechanical equipments instruments apparatus equipments food and pharmaceutical industry equipments. Package Content : 5 Knob Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.