Pilot Automotive PM-22166 Shift Knob For Manual Transmissions Fits Manual transmission. Fits shifter stems from 5/16 In. to 9/16 In. (8 mm to 15 mm). Adaptors included. Instructions included. Pilot Automotive's shift knobs have been designed to add style and function. Pilot makes numerous shift knobs in many different shapes, colors, styles and textures. If you are just driving to work or cruising, Pilot has the right shift knob for you. Note: Special Return Policy applies on this product.