EDGER BLADES 8X2 - 1IN CENTER HOLE FITS:ECHO PE2000, PE2400, PE3100, PAS2601 AND PE2601 ALSO FITS STIHL FC72, FC75, FC85 AND FC110 SPECIFICATIONS:CENTER HOLE 1" LENGTH 8" WIDTH 2" THICKNESS 0.12 NOT SHARPENED; HEAT TREATED REPLACES OEM: 69601552631, 69601552632, 720237001, 578392802, 601002454, 216062, 301272, 636715110, 613223, 791-613223 B, 72950-92100, 4133 713 4102 REPLACES AFTERMARKET375-301, 10662, 14822, 211-9131, 2663, 40-139, 40-139-1, 40-140, 40-141, 490-105-0014, 578392802, 6107, 6477, 7-05814, B1112362, EB-2, EBGM, SB-2663, SB-610