Different between Red Blue gold cord for Addi click

There is no different between Blue, Red, and Gold Cord.this is RED cord Addi Click interchangeable Needles.this is Blue Cord Addi Click interchangeable NeedlesThis is Gold Cord Addi Click interchangeable Needles.All Addi Click Tips are the same.The color cord just for separate the Selling Area.Different Wholesalers had their own guarantee to their customers.Blue cord for US area,Red Cord for Europe,Gold Cord for Asia.Addi click is great for knitter if you have many projects waiting for works.More than 500 gebinations.You can easy to connect to different length although that is large size of blanket or shawl.... table cloth......Or small circular knitting project.Enjoy knitting^^