BLACK+DECKER BDCMS20B 20V MAX Mouse Sander

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Product guide

BLACK+DECKER BDCMS20B 20V MAX Mouse Sander

The BLACK+DECKER BDCMS20B Mouse Sander is a cordless detail sander sold as a bare tool. Its compact shape, interchangeable detail-finger attachment and dust collection are intended for tight corners and hard-to-reach sanding, but the battery and charger are sold separately.

At a glance

Compact, ergonomic design is described as suited to corners and tight spaces.
An interchangeable detail-finger attachment is included to help reach difficult areas.
Dust collection is intended to help keep the work surface clean.
Hook-and-loop backing is designed to make sanding-paper changes easier.
The listing identifies this as a bare tool. Battery and charger are sold separately.

Price

$49.00Save 29%

Reference price: ~~$68.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

Cordless operation avoids the need to manage a power cord while sanding.
The detail-finger attachment and compact design target corners and other confined areas.
Dust collection is included as a work-surface cleanup feature.

Cons

A compatible battery and charger must be obtained separately to use the tool.

Technical specifications

8 specifications

Identity
Brand	BLACK+DECKER
Model	BDCMS20B

Power and battery
Power configuration	Battery Powered
Voltage	20 volts
Battery description	20V Lithium-Ion (Removable)

Form and sanding
Form factor	Rectangular
Listed grit type	Medium
Weight listed	2.1 pounds

What to know before buying

This is a bare-tool listing, so plan for a compatible battery and charger separately. The manufacturer states a 2 year limited warranty.

What’s in the box

1 sanderIncluded
Interchangeable detail-finger attachmentCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

DIYers sanding small areas, patched wall holes, corners or other hard-to-reach spots.
Buyers who already have a compatible battery and charger and want a cordless detail sander.

Less suited to

Buyers seeking a complete ready-to-use kit with battery and charger included.
Sanding broad, open surfaces where a detail-focused shape may be less suitable.

BLACK+DECKER BDCMS20B 20V MAX Mouse Sander · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 500 ratings

5 stars77%77%
4 stars15%15%
3 stars4%4%
2 stars1%1%
1 star3%3%

Customer feedback highlights ease of use, cordless convenience and usefulness for small-area jobs such as sanding patched wall holes. Those reports fit the listing's compact form and detail-finger attachment. Battery life and durability receive mixed comments, which matter for longer or repeated work. The overall rating distribution leans strongly toward five-star ratings, but ratings do not explain individual experiences.

Positive themes

Customers report that the sander is easy to use and appreciate working without an extension cord.
Customers describe it as useful for sanding patched wall holes.

Mixed feedback

Battery-life comments vary, with some customers finding it better than expected and others saying it does not last long.
Durability feedback is mixed.

Frequently asked questions

Does the BDCMS20B include a battery and charger?

No. The listing identifies it as a bare tool and says the battery and charger are sold separately.

What is included with the sander?

The explicit contents list names one sander. The feature description also says an interchangeable detail-finger attachment is included.

What work is this mouse sander intended for?

Its compact design and detail-finger attachment are described for corners, tight spaces and hard-to-reach areas. Customer feedback also mentions sanding patched wall holes.

What should I know about customer feedback on battery life?

Reported experiences are mixed. Some customers describe battery life as surprising, while others say it does not last long. The battery is sold separately, so results may depend on the battery used and the work.