1 hexagonal gasket. Suitable for spindle sizes of 4MMX7MM and 5MMX8MM. Size:16.1 15 1.5mm,16.1 15 1mm,16.1 15 0.5mm. Positive is very important to us. 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.