The Hard Rubber Print Ink Roller has a continuous steel shaft,using conveniently. 3 Sizes for choosing : 2inch, 4inch, and 6inch Specification: Size : Roller Length 5cm / 10cm / 15cm App2.8 (Rubber Roller Length) x 16.7 (Craft Tool Total Length)cm (5cm) App9.6 (Rubber Roller Length) x 16.7 (Craft Tool Total Length)cm (10cm) App14.5 (Rubber Roller Length) x 16.7 (Craft Tool Total Length)cm (15cm) Color : As the picture shown Package included : 1 X Hard Rubber Print Ink Roller Notice: 1.Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. 2.The colors may have difference as the different display, please understand.