Stanley 12 inch square prices

What Stanley 12 inch squares actually sell for, from 8 recorded sales and 2 listings for sale now.

Sold prices

Median sold: $45
Most sell for: $37.50–$49
Sales on record: 8
For sale now: 2

Scan a photo of your Stanley 12 inch squareto see what yours is worth against these sales.

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For sale now (2)

None of these is priced under what this tool usually sells for.

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Compared with 8 recorded sales: “typical” is the middle half of sale prices; the percentage is against the median. Condition and completeness vary — check the listing.

Every recorded sale. The band spans the middle half of all sales; the line is the median.

Where	Median sold	Median asking
Dealers	$458	$382
Marketplaces	—	$14.9927

These are different markets, not a contradiction. Dealers list restored, checked tools and price accordingly; marketplaces carry everything from collector-grade down to parts. Compare within a row, not across the table.

Asking prices

Median asking: $14.99
Most ask: $12.95–$23
Listings: 29

Asking prices run higher than sold prices. Sellers post hopefully, and unsold listings linger; treat the sold figures above as the real signal.

About Stanley 12 inch squares

Stanley is an American toolmaker based in New Britain, Connecticut, and its hand tool lines dominated the trade from the late 19th century through the mid 20th. The Bailey-pattern bench planes shown here, from the small No. 2 smoother up through the No. 5 1/2 jack, are the core of that output, alongside block planes, combination and plow planes, braces, router planes, rules and gauges. Value tracks model scarcity and completeness: small castings like the No. 2 and full combination planes with their cutters bring more than common No. 4 and No. 5 sizes, Sweetheart-era marks on irons and saw plates add a premium, and items still boxed, such as a No. 49 auger bit gauge, outrank worn users with pitting, cracks or replaced parts.

The 8 sales behind these figures come from Jim Bode Value Guide (4), Ted Dawson Antique Tools (3) and Hyperkitten (1), and run from 2021 to 2026; 4 closed in the last twelve months.

Recorded sales

Every sale behind the numbers above, most recent first. Click through to the source.

Listing	Source	Sold	Price
FINE EARLY STANLEY NO. 2 COMBINATION TRY & MITER SQUARE - 12"	Ted Dawson Antique Tools	2026-09-29	$45
TYPE 1 STANLEY NO. 16 IMPROVED WINTERBOTTOM MITER SQUARE - 12"	Ted Dawson Antique Tools	2026-04-28	$55
Stanley "Type 11" era no. 21 12in Bodmer Patent Combination Square	Hyperkitten	2026-04-27	$40
STANLEY SWEETHEART NO. 21 COMBINATION SQUARE 12"	Ted Dawson Antique Tools	2026-02-05	$45
12 Inch STANLEY No. 18 Bevel Square	Jim Bode Value Guide	2022-04-08	$59
12 Inch STANLEY Combination Square	Jim Bode Value Guide	2021-12-14	$30
STANLEY No. 21 Combination Square 12 inch	Jim Bode Value Guide	2021-02-11	$30
Extra Fine STANLEY No. 122 Combination Square 12 inch	Jim Bode Value Guide	2021-01-22	$47