NOTICE:the length 27cm. Tailles inclus sont les suivants: 2,0 mm 2,5 mm 3,0 mm 3,5 mm 4,0 mm 4,5 mm 5,0 mm 5,5 mm 6,0 mm 7,0 mm 8,0 mm Easy and comfortable to use,you will love them. They are durable,you can use long time. Very easy to use and practical. There are diffrent size and you can have it all. They are your good helper of textile.