This reel is compatible with Daiwa S-size reels and can be modified. The small S parts have been changed to new gunmetal parts. Diameter is 30mm, weight is 16 grams. Please check the manufacturer's website for detailed compatible models. This is a used item, so there may be some minor scratches, but it is in good condition. Washer set included. Price negotiations are not accepted. We do not accept holds. Thank you.