Size: 16 / 1.30mm, 16L / 1.25mm, 17 / 1.20mm or 18 / 1.15mm. The item "Solinco Hyper-G Tennis String 200m Reel" is in sale since Sunday, June 12, 2016. This item is in the category "Sporting Goods\Tennis\Strings". The seller is "trme_sports" and is located in Milton Keynes. This item can be shipped worldwide.