Right hand mower blade replaces Walker blade 5705-3 on Walker 42" cut Rear and side discharge models. 15-3446 similar to Stens 355-024, Oregon 91-913. Refer to your manual to match blade OEM#s and quantity needed for your deck. All blades sold individually. Order a mixed quantity of (1) WA22L & (1) WA22R for 42" cut deck GHS Grass Handling System, rear discharge and right side discharge. Order a quantity of (3) blades for 62" cut. Uses (3) WA22M, (3) WA22R for the 62" mulcher cut.