A few years ago I was doing some work on a rental house I owned.  The previous tenants had put shelves up on the walls in the living room and they took them down when they left, leaving screw holes in the walls.  I had brought some joint compound with me to fill in the holes, but forgot to bring a putty knife.  Not wanting to buy yet another putty knife (I have LOTS of them!) I decided to get these cheap plastic disposable putty knives at the local hardware store. 

The putty knives came three in a set:  A 1 1/2 inch wide blade, a 3 inch blade, and a 6 inch blade.  They looked really cheap, but I figured for filling in a few holes, dings, and gouges they would be fine.  I mainly used the 1 1/2 inch knife for this light touch up work.  The job went along smoothly and made for a good quality and inexpensive fix (the set only cost $1).

Last year, I was back in the same house again to repair some ceramic tiles that came loose in the bathroom.  I used the 3" plastic putty knife to trowel out some ceramic tile adhesive on the floor, then I set the tile.   Anyone who has ever used ceramic tile adhesive knows how sticky the stuff can be, and I was happy to be able to toss out the knife when done rather then clean it off for future use.  Once again, the knife did a good job and proved to be an inexpensive solution that worked well for a messy job.

I am currently adding to my garage.  I put up some sheet rock in the garage, and just for giggles, I used the the 6" knife to do some spackling.  It actually worked ok, but I swtiched back to my large metal spackle knife when taping seams.  For a quicky fix, the plastic knife is ok, but nothing beats the real thing, baby!

I would recommend using these plastic knives for messy projects where you need a disposable tool for a limited purpose - like laying down down a few ceramic tiles or patching a few holes.  I would not recommend it for a big project that requires multiple hours of use.  The knives are rather cheaply made and not indestructible like some of the metal ones.  Thanks for reading my review and best wishes for a nice day!

Mike

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