Benchlot

Starrett Square 18 inch prices

What Starrett Square 18 inch actually sells for, based on 11 sold listings and 0 asking prices gathered from dealers, forum classifieds and marketplaces.

Sold prices

Median sold
$295
25th pct
$170
75th pct
$395
Sold comps
11

Typical range $170–$395. 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 $295Dealers11 sales$69 — Mint in Wrapper Starrett 18 Inch Scale for Combination Square - 105269 (Jim Bode Value Guide)$95 — Very Clean STARRETT 18 Inch Scale for Combination Squares - 114370 (Jim Bode Value Guide)$165 — STARRETT No. 439 Builder’s Square & Protractor with Proper 18 Inch Rule - 111420 (Jim Bode Value Guide)$175 — Very Fine STARRETT 18 Inch Combination Square - 98339 (Jim Bode Value Guide)$225 — STARRETT Set Combination Square with Protractor & Center Finder 18 Inch Scale - 99408 (Jim Bode Value Guide)$295 — Monster STARRETT No. 439 Builder’s Square - 99203 (Jim Bode Value Guide)$379 — 18 Inch STARRETT No. 439 Builder’s Square & Protractor & Level -- 103721 (Jim Bode Value Guide)$395 — Rare STARRETT No. 439 Builder’s Square & Inclinometer - 100647 (Jim Bode Value Guide)$395 — Fine 18 Inch STARRETT No. 439 Builder’s Combination Square and Protractor - 119991 (Jim Bode Tools)$395 — Fine 18 Inch STARRETT No. 439 Builder’s Combination Square and Protractor - 119991 (Jim Bode Value Guide)$395 — Rare and Fine STARRETT No. 439 Builder’s Square with Original Wide Blade - 96555 (Jim Bode Value Guide)$100$250

Asking prices

0 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
Very Fine STARRETT 18 Inch Combination Square - 98339Jim Bode Value Guide2021-05-20$175
Monster STARRETT No. 439 Builder’s Square - 99203Jim Bode Value Guide2021-07-09$295
STARRETT Set Combination Square with Protractor & Center Finder 18 Inch Scale - 99408Jim Bode Value Guide2022-03-19$225
Very Clean STARRETT 18 Inch Scale for Combination Squares - 114370Jim Bode Value Guide2024-12-16$95
Fine 18 Inch STARRETT No. 439 Builder’s Combination Square and Protractor - 119991Jim Bode Value Guide2026-03-23$395
Rare STARRETT No. 439 Builder’s Square & Inclinometer - 100647Jim Bode Value Guide2021-10-29$395
Mint in Wrapper Starrett 18 Inch Scale for Combination Square - 105269Jim Bode Value Guide2022-12-16$69
Rare and Fine STARRETT No. 439 Builder’s Square with Original Wide Blade - 96555Jim Bode Value Guide2021-02-02$395
18 Inch STARRETT No. 439 Builder’s Square & Protractor & Level -- 103721Jim Bode Value Guide2022-07-09$379
STARRETT No. 439 Builder’s Square & Protractor with Proper 18 Inch Rule - 111420Jim Bode Value Guide2024-04-23$165
Fine 18 Inch STARRETT No. 439 Builder’s Combination Square and Protractor - 119991Jim Bode Tools2026-04-22$395

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Updated 2026-08-28.