Benchlot

Starrett Square 12 inch prices

What Starrett Square 12 inch actually sells for, based on 49 sold listings and 4 asking prices gathered from dealers, forum classifieds and marketplaces.

Sold prices

Median sold
$95
25th pct
$69
75th pct
$125
Sold comps
49

Typical range $69–$125. Half of sales land inside it.

Every recorded sale, by where it sold. The band spans the middle half of all sales; the line is the median.
median $95Dealers49 sales$49 — 12 Inch STARRETT Combination Square - 99372 (Jim Bode Value Guide)$49 — Crisp STARRETT 12 Inch Combination Square - 99445 (Jim Bode Value Guide)$49 — Extra Fine STARRETT 12 Inch Combination Square - 120996 (Jim Bode Value Guide)$49 — Fine STARRETT 12 Inch Miter Saw Protractor - 120031 (Jim Bode Tools)$49 — Fine STARRETT 12 Inch Miter Saw Protractor - 120031 (Jim Bode Value Guide)$49 — STARRETT Precision Protractor Square - 96807 (Jim Bode Value Guide)$59 — 12 Inch STARRETT Combination Square -99374 (Jim Bode Value Guide)$59 — STARRETT Center Finding Head on Unique Beveled Edge, 12 Inch Scale - 99777 (Jim Bode Value Guide)$59 — 12 Inch STARRETT Precision Protractor - 121586 (Jim Bode Value Guide)$59 — STARRETT 12 inch Combination Square - 99367 (Jim Bode Value Guide)$59 — Good+ STARRETT 12 Inch Combination Square with Scribe - 115817 (Jim Bode Value Guide)$59 — STARRETT No. 490 Protractor Square 12 Inch Scale - 105556 (Jim Bode Value Guide)$69 — STARRETT 12 Inch Protractor Square Fine - 109635 (Jim Bode Value Guide)$70 — Starrett 12in Two-Head Combination Square (Hyperkitten)$75 — Excellent Starrett 12in Two-Head Combination Square (Hyperkitten)$79 — STARRETT 12 Inch Combination Square & Center Finding Head - 100189 (Jim Bode Value Guide)$79 — 12 Inch Combination Square L.S. STARRETT - 99903 (Jim Bode Value Guide)$79 — Extra Fine STARRETT Combination Square Set 12 inch - 96563 (Jim Bode Value Guide)$79 — STARRETT Combination Square with Protractor Fine 12 Inch - 106322 (Jim Bode Value Guide)$79 — 12 Inch STARRETT Combination Square -99409 (Jim Bode Value Guide)$79 — Fine 12 Inch STARRETT Combination Square - 121092 (Jim Bode Value Guide)$89 — STARRETT 12 inch Protractor Square - 95614 (Jim Bode Value Guide)$89 — STARRETT 12 inch Combination Square - 95605 (Jim Bode Value Guide)$89 — Twelve inch STARRETT Combination Square with Unusually Wide STARRETT Rule w/offset Groove - 92458 (Jim Bode Value Guide)$95 — Mint STARRETT 12 Inch Combination Square with 4R GRAD Rule - 108202 (Jim Bode Value Guide)$95 — 12 Inch STARRETT Combination Square Near Mint - 100773 (Jim Bode Value Guide)$95 — 12 Inch STARRETT Combination Square Near Mint - 100774 (Jim Bode Value Guide)$95 — 12 Inch L.S. STARRETT CO. Combination Square with Center Finder - 99371 (Jim Bode Value Guide)$95 — 12 Inch STARRETT Combination Square - 99397 (Jim Bode Value Guide)$100 — Mint 12 Inch STARRETT Combination Square - 119761 (Jim Bode Value Guide)$100 — Mint 12 Inch STARRETT Combination Square - 119761 (Jim Bode Tools)$100 — 12 Inch STARRETT Combination Square with Center Finding Head - 103998 (Jim Bode Value Guide)$100 — STARRETT 12 Inch Combination Square with Protractor & Center Finding Head - 102942 (Jim Bode Value Guide)$125 — Fine 12 Inch STARRETT Combination Square Set - 117257 (Jim Bode Value Guide)$125 — STARRETT 12 Inch Square with Center Finding Head - 103967 (Jim Bode Value Guide)$125 — 12 Inch STARRETT C434 Combination Set - 104925 (Jim Bode Value Guide)$125 — STARRETT 12 Inch Combination Square Mint in Box - 111362 (Jim Bode Value Guide)$139 — Mint 12 Inch STARRETT Combination Square - 108188 (Jim Bode Value Guide)$149 — Near Mint STARRETT Combination Square Set 12 Inch - 117560 (Jim Bode Value Guide)$149 — Complete 4 Piece STARRETT Combination Square Set - 117972 (Jim Bode Value Guide)$149 — Near Mint STARRETT 12 Inch Combination Square Set - 118994 (Jim Bode Value Guide)$150 — Near Mint 12 Inch STARRETT Combination Square Set - 120667 (Jim Bode Value Guide)$159 — 12 Inch STARRETT No. 11H Combination Square Mint in Box - 102013 (Jim Bode Value Guide)$175 — STARRETT Combination Set Mint in Box - 108092 (Jim Bode Value Guide)$179 — Mint in Box STARRETT No. 434 - 12 Inch Combination Set - 111137 (Jim Bode Value Guide)$195 — Extra Fine & Comprehensive STARRETT Combination Square Set 12 Inch - 115724 (Jim Bode Value Guide)$235 — Mint Combination Square Set STARRETT - 109486 (Jim Bode Value Guide)$245 — STARRETT No. C434-12-4R Satin Chrome Combination Set Mint in Box - 100724 (Jim Bode Value Guide)$245 — STARRETT No. C434-12-4R Satin Chrome Combination Set Mint in Box - 100723 (Jim Bode Value Guide)$50$100$250
WhereMedian soldMedian asking
Dealers$9549—
Marketplaces—$604

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

4 asking prices on record — not enough to summarise.

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

Recent sales

Every sold comp behind the numbers above. Click through to the source.

ListingSourceSoldPrice
Mint in Box STARRETT No. 434 - 12 Inch Combination Set - 111137Jim Bode Value Guide2024-04-16$179
STARRETT Combination Set Mint in Box - 108092Jim Bode Value Guide2023-07-16$175
12 Inch STARRETT Combination Square - 99397Jim Bode Value Guide2021-07-28$95
12 Inch STARRETT No. 11H Combination Square Mint in Box - 102013Jim Bode Value Guide2022-01-30$159
Complete 4 Piece STARRETT Combination Square Set - 117972Jim Bode Value Guide2025-10-10$149
12 Inch STARRETT Combination Square -99374Jim Bode Value Guide2021-12-14$59
Crisp STARRETT 12 Inch Combination Square - 99445Jim Bode Value Guide2022-04-23$49
Mint 12 Inch STARRETT Combination Square - 119761Jim Bode Value Guide2026-03-07$100
Fine STARRETT 12 Inch Miter Saw Protractor - 120031Jim Bode Value Guide2026-03-10$49
Mint STARRETT 12 Inch Combination Square with 4R GRAD Rule - 108202Jim Bode Value Guide2023-07-17$95
Near Mint STARRETT 12 Inch Combination Square Set - 118994Jim Bode Value Guide2025-12-31$149
Near Mint STARRETT Combination Square Set 12 Inch - 117560Jim Bode Value Guide2025-09-11$149
STARRETT 12 Inch Combination Square with Protractor & Center Finding Head - 102942Jim Bode Value Guide2022-05-02$100
Extra Fine & Comprehensive STARRETT Combination Square Set 12 Inch - 115724Jim Bode Value Guide2025-04-07$195
STARRETT 12 Inch Combination Square & Center Finding Head - 100189Jim Bode Value Guide2022-03-19$79
STARRETT 12 Inch Protractor Square Fine - 109635Jim Bode Value Guide2023-11-18$69
STARRETT 12 Inch Square with Center Finding Head - 103967Jim Bode Value Guide2022-08-18$125
STARRETT Combination Square with Protractor Fine 12 Inch - 106322Jim Bode Value Guide2023-01-15$79
STARRETT No. 490 Protractor Square 12 Inch Scale - 105556Jim Bode Value Guide2022-12-10$59
Mint Combination Square Set STARRETT - 109486Jim Bode Value Guide2023-11-08$235
Extra Fine STARRETT 12 Inch Combination Square - 120996Jim Bode Value Guide2026-06-20$49
12 Inch STARRETT C434 Combination Set - 104925Jim Bode Value Guide2022-10-27$125
Fine 12 Inch STARRETT Combination Square - 121092Jim Bode Value Guide2026-06-14$79
STARRETT Center Finding Head on Unique Beveled Edge, 12 Inch Scale - 99777Jim Bode Value Guide2021-08-12$59

For sale now (4)

Currently listed. Benchlot links straight to the seller — no fees, no middleman.

ListingSourceListedPrice
STARRETT No.4 Grad 12" Machinist Combination Square & Brown Sharpe Protractor
Used
eBay2026-05-31$74.99
STARRETT No.4 Grad 12" Machinist Combination Square & Brown Sharpe Protractor
Used
eBay2026-05-11$74.99
Antique Starrett 12” Combination Square L.S.S. Co Athol MA No. 4 Rule
Used
eBay2026-05-03$42
VINTAGE 12" EARLY COMBINATION SQUARE (Probably Starrett) w-1/32" SCALE+LEVEL
Used
eBay2026-05-02$45

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Updated 2026-08-28.