Trusted Locksmith And Precision Blade Sharpening Since 1984
Family-owned Havertown locksmith and master blade sharpening shop serving Delaware and Montgomery County with certified expertise and honest service



WELCOME
Precision You Can Trust
Discover solutions built on decades of expertise, whether you need routine blade maintenance or complete security hardware upgrades. Our bonded and insured professionals manage every job with precision, giving you complete confidence long after the service is finished.
Our Havertown Legacy
A Local Locksmith And Sharpening Shop Built On Trust
Della Polla’s Supreme Edge LLC has served Havertown and the surrounding Delaware County communities since 1984. What began as a small mobile operation founded by Mike and Deb Della Polla quickly grew into a permanent neighborhood fixture known for honest work and deep technical knowledge. The business continues to operate from the converted garage storefront on North Eagle Road where the family first established their shop. Customers arrive seeking security hardware upgrades or routine blade maintenance, and they consistently find solutions built on decades of hands-on experience. Bonded and insured professionals manage each job with precision. A 90-day warranty backs all parts and workmanship to ensure complete confidence long after the service is finished.
90-Day Warranties on Parts and Services
Get $5 Off When You Spend $25 or More
For Service, Please Call (610) 446-5793
For Service in Narberth, PA Call (610) 664-0913
The Supreme Edge Difference
Why Local Customers Trust Our Shop
Four decades of technical mastery, certified credentials, and meticulous craftsmanship ensure outstanding results for every client
Advanced ALOA membership and Certified Registered Locksmith credentials
Family owned Havertown shop serving the Delaware County community for over forty years
Comprehensive interventions ranging from domestic auto lock repair to commercial master key systems
Artisan level sharpening for kitchen cutlery, lawn equipment, and industrial trade tools
Signature red wax dipping to protect honed edges and ensure safe transit
Dedicated 90 day warranty covering all parts and professional services
OUR SERVICES
Technical Service Verticals
Specialized technical services designed to support security, maintenance, and precision tools across multiple industries.
Automotive Locksmith
Duplication and programming of transponder keys, smart fobs, and push button remotes alongside domestic auto lock repair and business hour lockout assistance
Residential And Commercial Locksmith
Cylinder changing, master key systems, high security lock installation, and emergency exit device maintenance for property managers and homeowners
Culinary Knife Sharpening
Professional edge restoration for chef knives, paring tools, and serrated blades to revitalize performance for home cooks and culinary experts
Tool And Saw Sharpening
Technical honing for hair shears, carbide saw blades, jointer knives, and landscaping equipment used by local tradespeople
Community Feedback
Trusted By Customers Across Delaware County
FAQ
Service Questions
Can you replace car key fobs for push button start vehicles?
We sell and program a wide variety of transponder keys, remotes, and push button start fobs. This capability allows us to replace lost or damaged automotive keys directly, saving customers from expensive dealership visits.
What security services do you provide for commercial properties?
Our commercial offerings include high security locks, master key systems, door closers, and fire exit devices. We help business owners and property managers implement reliable access control throughout Delaware and Montgomery County.
Which types of industrial and household tools do you sharpen?
Our technicians restore chef knives, serrated blades, hair shears, carbide saw blades, jointer knives, and rotary lawnmower blades. We handle specialty cutting tools for both professional tradespeople and domestic users.
Why do you dip sharpened knives in red wax?
The signature red wax coating protects the freshly honed edge during transport and prevents accidental cuts. It also serves as a visual guarantee that the blade has received our meticulous artisan finishing.
Is there a warranty on your locksmith hardware and labor?
All locksmith parts and professional services include a 90 day warranty. We provide this quality assurance moat to give our clients complete confidence in the durability of our work.









