Price History for 1-3/4 in. x 9 in. Thick Solid Brass Lock and Door Reinforcer, 2-1/8 in. Single Bore, 2-3/8 in. Backset
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1-3/4 in. x 9 in. Thick Solid Brass Lock and Door Reinforcer, 2-1/8 in. Single Bore, 2-3/8 in. Backset
Defender Security U 9551 Stainless Steel Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of an entry door. It can be used to reinforce and repair both metal and wood doo
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 27, 2026 | $14.55 |
| Jul 24, 2026 | $16.17 |
| Jul 5, 2026 | $17.02 |
| Jul 3, 2026 | $16.61 |
| Jun 28, 2026 | $17.02 |
| May 13, 2026 | $16.58 |
| May 4, 2026 | $16.61 |
| Mar 17, 2026 | $16.45 |
| Mar 15, 2026 | $16.48 |
| Mar 6, 2026 | $15.99 |
| Feb 27, 2026 | $11.71 |
| Feb 20, 2026 | $10.65 |
| Feb 13, 2026 | $9.68 |
| Dec 14, 2025 | $8.80 |
| Dec 3, 2025 | $8.80 |
| Nov 25, 2025 | $8.80 |
| Nov 8, 2025 | $8.80 |
Analysis
1-3/4 in. x 9 in. Thick Solid Brass Lock and Door Reinforcer, 2-1/8 in. Single Bore, 2-3/8 in. Backset price analysis
Price analysis for 1-3/4 in. x 9 in. Thick Solid Brass Lock and Door Reinforcer, 2-1/8 in. Single Bore, 2-3/8 in. Backset at Home Depot: Today's price is $14.55. Current price is 11% below the 90-day average of $16.27 (a $1.72 below the running mean).
- Currently listed at $14.55, which is $5.75 above the original MSRP of $8.80.
- Current price is 11% below the 90-day average of $16.27 (a $1.72 below the running mean).
- The lowest recorded price on PriceWatchPro was $8.80 on November 8, 2025. That's $5.75 below today's price.
- The highest recorded price on PriceWatchPro was $17.02 on June 28, 2026. Today's price is $2.47 below that peak.
- 30-day trend: trending down 10.0% from $16.17 to $14.55.
- Across 16 tracked price changes, the listing has dropped 2 times with an average drop of $1.24.
- PriceWatchPro has been tracking this listing since November 8, 2025 (284 days of price history).
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Snapshot
1-3/4 in. x 9 in. Thick Solid Brass Lock and Door Reinforcer, 2-1/8 in. Single Bore, 2-3/8 in. Backset shopping snapshot
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