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DeWalt DCN660B, bare tool: 20V MAX XR Lithium-Ion Electric Cordless 16-Gauge Angled Finishing Nailer (Tool Only) (photograph from the Home Depot listing)

DeWalt · 20V MAX

DCN660B

Tool Nutlisting 53393179181350

20V MAX XR Lithium-Ion Electric Cordless 16-Gauge Angled Finishing Nailer (Tool Only)

bare tool

Retailer says · Last observed price

$422.99

Retailer's “was” price No reference-price claim

last observed available online · Tool Nut ·

Our record

highest witnessed
$422.99
lowest witnessed
$359.54

We conclude

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

We have witnessed this offer lower: $359.54 on Sep 24 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

View at Tool Nut · $422.99 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.

WTV-DEWALT-DCN660B-TOOLNUT-20261010-0805

This exact Audit record

Wasitever · Claim Audit

DCN660B

20V MAX XR Lithium-Ion Electric Cordless 16-Gauge Angled Finishing Nailer (Tool Only)

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

Retailer says
$422.99 — Tool Nut
Our record
highest witnessed $422.99 Sep 3 2026lowest witnessed $359.54 Sep 23 2026
We conclude
Recorded verdict · last observed Oct 9 2026 · not confirmed current

We have witnessed this offer lower: $359.54 on Sep 24 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 · full point-by-point record

Offered price vs. their claimed ‘was’

Tool Nut · Sep 03 2026–Oct 09 2026

Offered price vs. their claimed ‘was’ SEEN LOWER · $359.54 ON SEP 24. The offered price is $422.99 as of Oct 9 2026; the retailer supplied no claimed reference. The plotted record breaks across 4 missing observation runs. The vertical price scale visibly starts at $342. Claim absence changes only the retailer-claim series; offered observations remain continuous. $350$375$400$4251$359.54 · LOWEST PLOTTED OFFERFULL POINT-BY-POINT RECORD33 PRICE-DAYS$422.99 · OFFERED · Oct 9THEIR CLAIMED ‘WAS’Sep 3Sep 21Oct 9 BROKEN SCALE · STARTS AT $342
Offered price vs. their claimed ‘was’ SEEN LOWER · $359.54 ON SEP 24. The offered price is $422.99 as of Oct 9 2026; the retailer supplied no claimed reference. The plotted record breaks across 4 missing observation runs. The vertical price scale visibly starts at $342. Claim absence changes only the retailer-claim series; offered observations remain continuous. $350$375$400$4251$359.54 · LOWEST PLOTTED OFFERFULL POINT-BY-POINT RECORD · 33 PRICE-DAYS$422.99 · OFFERED · Oct 9Sep 3Sep 21Oct 9 BROKEN SCALE · STARTS AT $342
Offered price vs. their claimed ‘was’ SEEN LOWER · $359.54 ON SEP 24. The offered price is $422.99 as of Oct 9 2026; the retailer supplied no claimed reference. The plotted record breaks across 4 missing observation runs. The vertical price scale visibly starts at $342. Claim absence changes only the retailer-claim series; offered observations remain continuous. $350$375$400$4251$359.54 · LOWEST PLOTTED OFFERFULL POINT-BY-POINT RECORD · 33 PRICE-DAYS$422.99 · OFFERED · Oct 9Sep 3Sep 21Oct 9 BROKEN SCALE · STARTS AT $342

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

Claim absence changes only the retailer-claim series; offered observations remain continuous.

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 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.
DateRecord eventOfferedClaimed “was”Receipt note
Point-by-point record begins $422.99 — no observation
Receipt · receipt-20260903-record-start

Class C · complete observation.

Source · WTV-COLLECT-00087

Class C · complete observation.

Source · WTV-COLLECT-00087
No observations · 1 day — no observation — no observation
Receipt · receipt-20260921-gap

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20260921-20260921

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20260921-20260921
Complete observations resume $422.99 — no observation
Receipt · receipt-20260922-record-resumes

Class C · complete observation.

Source · WTV-COLLECT-00391

Class C · complete observation.

Source · WTV-COLLECT-00391
Offer and retailer claim changed · $422.99 → $359.54; — no observation → $422.99 $359.54 $422.99
Receipt · receipt-20260923-combined-change

Class C · complete observation.

Source · WTV-COLLECT-00411

Class C · complete observation.

Source · WTV-COLLECT-00411
No observations · 1 day — no observation — no observation
Receipt · receipt-20260925-gap

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20260925-20260925

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20260925-20260925
Complete observations resume $422.99 — no observation
Receipt · receipt-20260926-record-resumes

Class C · complete observation.

Source · WTV-COLLECT-00464

Class C · complete observation.

Source · WTV-COLLECT-00464
No observations · 1 day — no observation — no observation
Receipt · receipt-20261005-gap

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20261005-20261005

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20261005-20261005
Complete observations resume $422.99 — no observation
Receipt · receipt-20261006-record-resumes

Class C · complete observation.

Source · WTV-COLLECT-00652

Class C · complete observation.

Source · WTV-COLLECT-00652
No observations · 1 day — no observation — no observation
Receipt · receipt-20261008-gap

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20261008-20261008

No observations in the published record.

Source · WTV-GAP-dewalt-dcn660b-TOOLNUT-20261008-20261008
Complete observations resume $422.99 — no observation
Receipt · receipt-20261009-record-resumes

Class C · complete observation.

Source · WTV-COLLECT-00710

Class C · complete observation.

Source · WTV-COLLECT-00710
Latest complete observation $422.99 — no observation
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

Exact scope
DeWalt · DCN660B · bare tool · Tool Nut · online national · config cfg-dewalt-dcn660b
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.
ClassRetained evidenceRendering law
Class A0 price-daysretained complete observations
Class B0 dated markdurable summary fact; never a curve
Class C33 price-daysnew 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.