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Model # P400

Internet # 100342146

Store SKU # 483316

ONE+ 18-Volt Corner Cat Finish Sander (Tool-Only)

This item has been discontinued.
The Home Depot no longer carries this specific product.

$34.97 /each




Model # P400

Internet # 100342146

Store SKU # 483316

Get a smooth, swirl-free finish with the Ryobi Corner Cat Finish Sander. It features a powerful 18-Volt motor that delivers 11,000 OPM for fast, efficient stock removal. Use this sander to complete a variety of projects.

California residents: see  Proposition 65 information

Info & Guides

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Product Depth (in.) 
9 in 
Product Height (in.) 
4 in 
Product Width (in.) 
6 in 
Batteries Included 
Battery Amp Hours 
Battery Power Type 
Lithium Ion 
Battery Size 
Lithium Ion 
Charger Included 
Color Family 
Cordless Tool Type 
Detail Sander 
Dust Collection Method 
Finger attachment 
Number of Batteries Included 
Power Tool Product Type 
Product Weight (lb.) 
2 lb 
Speed (rpm) 
Switch Type 
Tools Product Type 
Power Tool 
Variable Speed 
Voltage (volts) 
Warranty / Certifications
Certifications and Listings 
1-UL Listed 
Manufacturer Warranty 
3 Year Limited Warranty 


Rated 4.2 out of 5 by 59 reviewers.
Rated 4.0 out of 5.0 by Nice sander I have used this sander on hardwood, drywall mud, plaster etc and found it worked really well. Sandpaper tends to gum up when used on a painted surface but otherwise it performed as expected. Handy for corner work, lightwight enough for overhead work and extended usage. Fully charged battery lasts about 30 minutes or so. December 26, 2008
Rated 3.0 out of 5.0 by Handy for corners This came as part of my set and it came in handy when I was sanding the underside of our new table. The ability to sand corners is great, but I think an orbital sander would be better when not needing the corner ability. Also, It seems to go through a battery fairly quickly. January 10, 2008
Rated 4.0 out of 5.0 by Good light weight sander Bought this as an add on for my two tool combo kit. Sander does a good job and with the triangle shape can get into corners nicely. I like the velcro type sticky pad for quick paper replacement. October 23, 2011
Rated 3.0 out of 5.0 by ok This product is like 19.95 in the US. Why is it double the price in Canada? It's not that useful and it goes through batteries and sand paper like crazy. The battery makes it a bit too heavy for any raised work surfaces. February 27, 2007
Rated 5.0 out of 5.0 by Awesome little tool It is my go to tool for sanding and love the fact there are no cords! September 30, 2015
Rated 5.0 out of 5.0 by parts readily available I'm surprised by the reviews that report difficulty finding sanding sheets or parts like the hook/loop velcro pad the sanding sheets attach to. For repair parts, google a bit and you'll get the service diagrams; parts readily available from parts suppliers (and cheap). It uses the same sanding pads as other brands w/same sized platen. The person who couldn't remove paint must not have seen the 80 grit sheets that are around. That said, I may have just worn mine out after 3 years of a lot of use, which is why I happened to be on this site, looking up the cost of a replacement. August 31, 2012
Rated 4.0 out of 5.0 by Great Sander until gears strip When all of my old tools started failing, I bought all Ryobi because all the tools took the same batteries. (my previous tools each had their own battery) I bought this sander and LOVED it, worked easy, handled great and made the wood super smooth, which gave a great finish for my living room tables. However this tool suddenly made major noise, while sanding my headboard. I opened it, thinking a part got loose. When I opened it, there were alot of metal shavings, and the "teeth" of the gears striped completely off .... What made me mad was this sander only needed a single new gear, but they dont sell them to customers as well as Home Depot. So a perfect tool that needs a little gear, goes to the landfill. This had been a very nice tool, and I needed to finish sanding down my headboard for the new stain, so I bought a replacement, but this time I got the Home Depot Extended warranty ! December 3, 2012
Rated 4.0 out of 5.0 by Small Sander that Packs a Punch I am currently refinishing a coffee table that is badly scratched, gouged, chipped, you name it. I needed to sand the old stain and varnish off the table top. With a sanding block it would have take at least an hour and a couple tylenol. With this great little sander it took me just over a minute with 120-grit paper to get the top to look like fresh wood. With this model there is sawdust leftover but I prefer the cordless with no bag to a corded with a bag. This sander is worth way more than the asking price!. August 18, 2012
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