The bolt is 8mm. The cover is 30mm. The weight has an inner diameter of 10mm and a depth of 15mm (this is the distance to the pointed part). Width: 27mm, Height: 37mm This is a general-purpose product. There may be minor surface imperfections and scratches. Please note that we do not guarantee operation with all manufacturers. Processing may be required depending on the pot you are installing it on. Returns are not accepted even if the product cannot be used. Thank you for your understanding. Thank you. #18cm 20cm Pressure Cooker Weight #Also on sale (＞＜)