How Much Is a Starrett No. 11 Patent Combination Square Set 6" with Center Head & Hardened Blade in Original Box Worth?

Based on 1 independent scans and 51 recent sold comparables, a Starrett No. 11 Patent Combination Square Set 6" with Center Head & Hardened Blade in Original Box is typically worth around $94. Recent sold prices ranged from $10 to $500 with a median of $60.
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More listings of this item


Images from current eBay listings of this item.
Sold Range
$9.95 – $500.00
51 recent sales
Sold Median
$60.00
Realistic sale price
Asking (Active)
$119.00
3 live listings
AI Estimate
$94.01
Avg of 1 scans
Market Insight
Live listings are running 98% above what items actually sell for — sellers are asking $119 but completed sales are landing closer to $60. Price in line with sold comps to move it.
Recent Sold Comparables
What this item has actually sold for, pulled from public completed listings.
| Title | Sold |
|---|---|
| STARRETT No.11 12" Combination Set with Square, Center & Protractor Heads. USA | $159.00 |
| Starrett No. 11H-4-4R 4'' Combination Square w/ Cast Iron Square Head **NOS** | $99.00 |
| Starrett combo square mitutoyo teclock indicator some work other for parts | $100.00 |
| Starrett 11H 12" Combination Square Set w/ Protractor No 490 USA Machinist NOS | $189.00 |
| STARRETT No.11 6" Long Blade Combination Square with Square & Center Heads. USA | $119.99 |
| Vintage Starrett No 11 Combination Square 4" | $55.00 |
Get a Value for Your Specific Item
This page shows market data for Starrett No. 11 Patent Combination Square Set 6" with Center Head & Hardened Blade in Original Box in general. Your item's actual value depends on condition, completeness, and current demand — scan it to get a specific number.
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Frequently Asked Questions
How much is a Starrett No. 11 Patent Combination Square Set 6" with Center Head & Hardened Blade in Original Box worth?
Based on 51 recent sold listings, a Starrett No. 11 Patent Combination Square Set 6" with Center Head & Hardened Blade in Original Box typically sells for $10 to $500 with a median of $60. The exact value depends on condition, completeness, and current market demand. Run a fresh scan for instant pricing on your specific item.
Where do these prices come from?
Sold prices come from completed listings on eBay, Poshmark, Mercari, Facebook Marketplace, and Etsy — actual sales, not asking prices. Active asking prices are pulled from live listings. We re-aggregate this data continuously as new scans come in.
Why do listing prices differ from sold prices?
Sellers commonly list above what items realistically sell for. The gap between "asking" and "sold" is the most important number to look at — pricing in line with the sold median moves your item; pricing at the asking ceiling means it sits.
Aggregated from 1 independent AI scans and 51 recent completed listings across eBay, Poshmark, Mercari, Facebook Marketplace, and Etsy. Re-aggregated daily. Last refreshed June 14, 2026.
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