The blades are a snap to replace and only require the t-wrench supplied with the unit. The blades come very sharp and seem to last fairly well and are reversable which helps. Planing. Each blade is double sided for extended use.

Bf of hardwoods is all you will get out of these chinese blades. After planing about 20 2' long boards, there were 5 or 6 major nicks in the blades. Cleaning the rollers had no effect. These blades wear out very quickly-- within a few dozen bf of mate...  Read More

The aluminum foil quality of the dewalt replacement knives is horrendous. The planer itself does just what it is supposed to, but these replacement knives dull almost immediately, have only one side, and can't be sharpened. The thinner design also con...  Read More