Ryobi

How to choose a blade

Click here for more on how to measure and choose a blade, with descriptions and helpful demonstration videos

OEM Part #

Blade type

All Edger Mulching blade Rake teeth Standard blade Toothed blade

Blade length

All 3-1/2” 4” 7-5/8” 8” 8-9/32” 9” 10” 14-3/4” 16-1/4” 16-1/2” 17” 17-3/8” 17-1/2” 18” 18-1/8” 18-7/16” 18-1/2” 19-5/16" 19-11/32” 20” 20-1/2” 20-27/32” 21” 21-3/16” 21-5/8” 22” 24” 24-13/32” 24-1/2”

Blade width

All 1” 1-1/2” 1-3/4” 2” 2-1/4” 2-1/2” 2-3/4” 3”

Center hole

All 5 point star 6 point star 7/16” 1/2” 17/32” 5/8” 15/16” 1” 3/8-5/8” 59/64 x 11/16” square .452” 3/8” D SQ/RD

Side hole size

All 1/4” 5/16” 11/32” 3/8”

Side hole distance (center to center)

All 1-7/8” 2-1/2” 3-1/8” 3-5/32”

Lift

All 3/8” 9/16” 13/16” 27/32” 3/4” 7/8” 15/16” 1” 1-1/16” 1-1/8” 1-3/16” 1-1/4” 1-9/32” 1-5/16” 1-3/8”

Offset

All 3/16” 1/4” 5/16” 0.350”

Serrated

All Yes No

Sharpened

All Yes No

Heat treated

All Yes No

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Ryobi

How to choose a blade

8″ X 2″ Edger Blade 2 Sides Sharpened, 10-pack

8″ x 2″ Edger Blade No Sides Sharpened, 10-pack

8″ x 2″ Non Heat-Treated Edger Blade, No Sides Sharpened, 10-pack