Proxxon Industrial 23800 SlimLine Open-End Spanners 6 x 7 - 20 x 22mm - 8 Piece

Set includes the following size spanners: 6 x 7mm, 8 x 9mm, 10 x 11mm, 12 x 13mm, 14 x 15mm, 16 x 17mm, 18 x 19mm and 20 x 22mm. Slim and thin walled polished heads.

eBay