Replaces Part Number: 173921. Fits Husqvarna Product. Includes three (3) blades as pictured Item Specifications Air Lift: 1-1/4″. High Lift / Fits Hi-Lift.Additional Information: Quantity: (3)Length: 16-5/8″Center Hole: 5 pt. starWidth: 2-1/2″Thickness: 0.203″Requires (3) Blades for 48″ cut.

Reference Numbers:

173921, 340-091, B1EP1040, B1EP1040-A