Epson LABELWORKS PX 3mm, 203YLBYPX Shrink Tube, Black on Yellow, 1/8inEpson LABELWORKS PX 3mm 203YLBYPX Shrink Tube (Replacement for Epson LABELWORKS PX 3mm 203B20BYPX Shrink Tube, Black on Yellow, 1 8in) This change was made to fulfil customer's requests for a slightly smaller inner diameter, which is preferred among many users. The new product is less rigid, more flexible, and as durable as the material it replaces. 3mm 1 8in length 8ft 98in Range of wire diameter: . 044in . 114in Shrink ratio: 3: 1 Black on Yellow