Notice: the size is inside circled's dimension, not the flat dimension. this series is heat shrink tubing cable marker, the shrink ratio is 2:1; choose the size litlle larger your cable's size, then heat it is ok.
5:Length: 6-10mm delivery randomly, if u have instructions, pls remark me when u give me order.
6:1.0mm to 6.0 is circle type, 7mm to 10mm is flat type.
7:I can produce white, black,red,yellow,blue,green,transparent, yellow-green 8 color, pls nogonicate with the customer service.