PLEASE COMPARE THE PHOTO EXACTLY!
Ink-roller BLUE like on photo for calculator models, Please check the Photo of ink-roller bec of similarity.

Sharp EL-1600B

Sharp EL-1609
Sharp EL-1610
Sharp EL-1611
Sharp EL-1611A
Sharp EL-1611C
Sharp EL-1611E
Sharp EL-1611H
Sharp EL-1611H II
Sharp EL-1611PGY
Sharp EL-1611S
Sharp EL-1619
Sharp EL-1621
Sharp EL-1801A

PLEASE COMPARE THE PHOTO EXACTLY! Ink-roller BLUE like on photo for calculator models, Please check the Photo of ink-roller bec of similarity. Sharp EL-1600B Sharp EL-1609 Sharp EL-1610 Sharp EL-1611 Sharp EL-1611A Sharp EL-1611C Sharp EL-1611E Sharp EL-1611H Sharp EL-1611H II Sharp EL-1611PGY Sharp EL-1611S Sharp EL-1619 Sharp EL-1621 Sharp EL-1801A