1 Pair Wood Chipper Blades Garden Shredder Knives Replacement Double Sided Cutting Tools Compatible with Sun Joe CJ601E CJ602E Earthwise GS70015

They do exactly where they are supposed to do. Happy with performance.

These fit great in my Sun Joe wood chipper. They were easy to install and did a good job when chipping limbs. Good price for the parts.

This is not OEM part. I bought because it is reasonably priced & it is as I imagined. Deducted one star because it does not stay sharp long at all. In fairness, I have no experience so idk what's usual sharpness period for wood mulching blades. And I am mulching long standing dead elm wood which is like petrified wood. So it could actually be the flip side & these may be Ah-mazing. Always keep an open mind haha

Update to the original review: The company clearly stands behind their product. After a couple of email exchanges and more photos, it was determined the screws that were shipped with the unit were just too long and wouldn't allow the screw head to sit flush with the blade once it was put in place. The new screws are perfect and the company even sent me a new set of blades. Great service.Original review: The blades are great, although the cut angle is too aggressive for the power of the motor. The problem was the brand new screws would not screw in all the way. Upon examination, I found the threading does not go all the way to the top of the screw shaft and stops about a millimeter short, not allowing the screw top to sink below the surface of the blade. That means the first part of the spinning mechanism that hits the wood is the top of the screw. Fortunately my old screws were still usable and I used them instead.

These are chopping branches of less than 1 inch thickness, and work as well as the blades that originally came with my shredder. Do not expect them to stay sharp for hours of continuous use, though. They're being put under a lot of wear in normal use, and so they will realistically work well for about a half-hour, then work OK for another hour until they are too dull to work at all. Then they need to be sharpened or replaced.They are double-sided, so you get two edges per blade, which is good.

These blades are compatible with my Harbor Freight electric chipper shredder (1-1/2" capacity). They installed pretty easily and work really well. Since each blade has 2 edges, they can be turned around when the "first" edge gets dull.

The first time replacing the blades is difficult because they are torqued way too tight from the factory and hard to get the old blades off. The 2nd time was a breeze.

Dulls after 2hrs of use