The Dahle replacement Blade Only (Part #00550.61.1000) is for use in the 550 / 552 / 554 / 556 / 558 series rolling paper trimmer and paper cutter models.
Simply remove the paper cutter head assembly and pop in the new replacement blade with-in a matter of seconds.
This part is for use in the following Dahle paper trimmer: 550, 552, 554, 556, and 558 models.
Dahle 550 Professional RollingTrimmer - 14 1/8"
Dahle 552 Professional RollingTrimmer - 20 1/8"
Dahle 554 Professional RollingTrimmer - 28 1/4"