Opportunity BasketDoorFit Pro: Adjustable Universal Latch Hole Adapter Kit
A set of precision-machined steel adapter plates (3–5 sizes) that mount behind existing latch holes to accommodate 1/8" to 3/8" hole size mismatches without enlarging the door frame. Each kit includes a drill guide jig, sandpaper, and a 12-minute video showing exact installation for the most common door types (hollow-core, solid wood, metal frames).
24 weeks • 70% confidence
Value Proposition
Eliminates the need to enlarge holes (which risks splitting wood or damaging frames), costs $35–50 vs. $150–300 for a locksmith, and installs in 10 minutes with zero special skills. Works on 85% of common residential doors without custom sizing.
Target Audience
DIY homeowners aged 35–65 with basic tool skills, primarily renters and budget-conscious homeowners who've already bought a replacement latch and discovered the mismatch.
Key Features
- 5-piece stainless steel adapter plate set covering 1/8", 3/16", 1/4", 5/16", 3/8" mismatches
- Magnetic drill guide jig to prevent off-center fastening
- Pre-drilled screw holes to avoid splitting wood
- And more, with full implementation detail...
Tech Stack
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Sign up freeOriginal Problem
Homeowners struggle to replace door latches without professional help due to mismatched hole sizesDIY homeowners attempting to replace worn or broken door latches face the frustrating problem of existing latch holes that don't match standard replacement latch dimensions. They lack the knowledge of which tools to use and techniques to safely enlarge holes without damaging the door frame, forcing them to either call expensive locksmiths or abandon the repair entirely.
Score: 46.2% • 1 demand signal