SET OF 3 - Replacement Blade for Dixon 8688 - B1DX1602 Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the XHT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. OEM. XHT blades also offer greater impact toughness. 3 blades needed for 42" cut Center Hole: 11/16" Length: 14-1/2" Thickness: .187 Type: Medium Lift Width: 2-1/2" Crossed From: DI15HL MOW MORE 050018 LESCO 091901 FISHER-BARTON 13920 DIXON 13938 DIXON 315-006 STENS 315-036 STENS 315006 STENS 315036 STENS 325-803 STENS 325803 STENS 50-1590 WINDSOR 50018 LESCO 501590 WINDSOR 539 129543 DIXON 539119838 DIXON 539119853 DIXON 539126275 DIXON 53912954 DIXON 539129543 DIXON 539129683 DIXON 539129700 DIXON 575139201 DIXON 6087 ROTARY 6092 DIXON A-6231 DIXON 6236 DIXON 7-04534 PRIME LINE 7-04705 PRIME LINE 7-06338 PRIME LINE 704534 PRIME LINE 704705 PRIME LINE 706338 PRIME LINE 8688 DIXON 91-167 OREGON 91167 OREGON A physical address must be provided, NO PO BOXES.This is an Aftermarket part. Thanks for looking!