DeWalt · 20V MAX

DCG408B

Tool Nutlisting 53393166762278

20V MAX Cordless Brushless 4-1/2 in. Angle Grinder with Paddle Switch (Tool Only)

bare tool

Retailer says · Last observed price

$129.00

was $199.99 · a 35% claim

Retailer's “was” price Claim witnessed

last observed available online · Tool Nut · observed Oct 9 · 2:26 AM EDT

Our record

highest witnessed: $199.99Sep 3 2026
lowest witnessed: $129.00Oct 9 2026

We conclude

Recorded verdict · last observed Oct 9 2026 · not confirmed current

Today’s price is 35% below the 37-day reference. The claimed reference was last offered on Oct 7 2026.

Coverage · developing record · watched since Sep 3 2026 · point-by-point since Sep 3 2026 · 33 price-days · 4 coverage gaps · 0 continuity breaks

All offers Price record

Watch this exact offer

Alerts fire on our verdict, never on retailer banners. At most six price-alert emails in any rolling seven days.

Wasitever · Claim Audit Oct 10 2026 · 12:02 EDT

DCG408B

20V MAX Cordless Brushless 4-1/2 in. Angle Grinder with Paddle Switch (Tool Only)

DeWalt · 20V MAX · bare tool · Tool Nut · online national

Retailer says: $129.00 · was $199.99 — a 35% claim — Tool Nut
Our record: highest witnessed $199.99 Sep 3 2026lowest witnessed $129.00 Oct 9 2026
We conclude: Recorded verdict · last observed Oct 9 2026 · not confirmed current
TRUE −35% VS 37D

Today’s price is 35% below the 37-day reference. The claimed reference was last offered on Oct 7 2026.

Coverage · developing record · watched since Sep 3 2026· point-by-point since Sep 3 2026· 33 price-days · 4 coverage gaps · 0 continuity breaks· batch complete

Complete witnessed history

Price record

This is the independent record for the Tool Nut listing above. It does not borrow prices, claims, or observations from another retailer.

Evidence instrument · 90-day reference rule · 37-day observed span

Offered price vs. their claimed ‘was’

Tool Nut · Sep 03 2026–Oct 09 2026

No observations · 4 separate runs; dates in the point ledger.

offered, witnessed
their claimed “was”
no observations
detached price fact

Chart notes and detached evidence

Why this form

The 90-day rule selects its reference. This record contributes a 37-day observed span; all 33 price-days and 4 missing runs are shown. Daily tracking had not yet begun in the earlier part of the rule frame; that time is not a coverage gap.

Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.

Price distribution · 33 price-days

Price-day distribution · M2

Where the last observation sits

Tool Nut · 33 price-days

Last observed · $129

$129$199.99

Among the lowest 10% of prices we’ve witnessed for this exact offer.

0% of 33 price-days were lower · 1 matched the last observed $129

$129 · 1d
$169.99 · 2d
$199.99 · 30d

Price history, changes, and missing observations — 11 entries

Point ledger · stable row IDs

Price history, changes, and missing observations

11 entries · change points, gaps, and dated facts

Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
Date	Record event	Offered	Claimed “was”	Receipt note
Sep 3 2026	Point-by-point record begins	$199.99	— no observation	Receipt · `receipt-20260903-record-start` Class C · complete observation. Source · `WTV-COLLECT-00087` Class C · complete observation. Source · `WTV-COLLECT-00087`
Sep 21 2026	No observations · 1 day	— no observation	— no observation	Receipt · `receipt-20260921-gap` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20260921-20260921` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20260921-20260921`
Sep 22 2026	Complete observations resume	$199.99	— no observation	Receipt · `receipt-20260922-record-resumes` Class C · complete observation. Source · `WTV-COLLECT-00391` Class C · complete observation. Source · `WTV-COLLECT-00391`
Sep 23 2026	Offer and retailer claim changed · $199.99 → $169.99; — no observation → $199.99	$169.99	$199.99	Receipt · `receipt-20260923-combined-change` Class C · complete observation. Source · `WTV-COLLECT-00411` Class C · complete observation. Source · `WTV-COLLECT-00411`
Sep 25 2026	No observations · 1 day	— no observation	— no observation	Receipt · `receipt-20260925-gap` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20260925-20260925` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20260925-20260925`
Sep 26 2026	Complete observations resume	$199.99	— no observation	Receipt · `receipt-20260926-record-resumes` Class C · complete observation. Source · `WTV-COLLECT-00464` Class C · complete observation. Source · `WTV-COLLECT-00464`
Oct 5 2026	No observations · 1 day	— no observation	— no observation	Receipt · `receipt-20261005-gap` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20261005-20261005` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20261005-20261005`
Oct 6 2026	Complete observations resume	$199.99	— no observation	Receipt · `receipt-20261006-record-resumes` Class C · complete observation. Source · `WTV-COLLECT-00652` Class C · complete observation. Source · `WTV-COLLECT-00652`
Oct 8 2026	No observations · 1 day	— no observation	— no observation	Receipt · `receipt-20261008-gap` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20261008-20261008` No observations in the published record. Source · `WTV-GAP-dewalt-dcg408b-TOOLNUT-330170EBE08CC9E7-20261008-20261008`
Oct 9 2026	Complete observations resume	$129.00	$199.99	Receipt · `receipt-20261009-record-resumes` Class C · complete observation. Source · `WTV-COLLECT-00710` Class C · complete observation. Source · `WTV-COLLECT-00710`
Oct 9 2026	Latest complete observation	$129.00	$199.99	Receipt · `receipt-20261009-current` Class C · complete observation. Source · `WTV-COLLECT-00710` Class C · complete observation. Source · `WTV-COLLECT-00710`

Coverage and record credentials

Record credentials

What this page knows

as of Oct 10 2026 · 12:02 EDT

Exact scope: DeWalt · DCG408B · bare tool · Tool Nut · online national · config cfg-dewalt-dcg408b
Watched since: Sep 3 2026
Point-by-point since: Sep 3 2026
Observation record: 33 price-days · collection walk; cadence not yet set
Latest covering batch: complete · 2828/2828 items · WTV-COLLECT-00710

Observation classes travel with the price record. They are never silently blended.
Class	Retained evidence	Rendering law
Class A	0 price-days	retained complete observations
Class B	0 dated mark	durable summary fact; never a curve
Class C	33 price-days	new longitudinal record

Coverage gaps · 4 coverage gaps · 0 continuity breaks

Sep 21 2026 · 1dNo observations in the published record.
Sep 25 2026 · 1dNo observations in the published record.
Oct 5 2026 · 1dNo observations in the published record.
Oct 8 2026 · 1dNo observations in the published record.