- One snap, you’re set – Locks in with a confident click.
- Built for your syringe – Self-centers, no wiggle, no second-guessing.
- Feather-light at 0.7 g – Keeps the balance you already know by heart.
- ControlPath™ thumb loop – Guides your thumb naturally.
- Sleek, symmetrical, familiar – As if it’s always been part of your syringe.
Here's Where You Begin
1: Make It Yours
Fit isn’t abstract. It’s personal. The Control Ring™ Fit Kit lets you test, compare, and choose what size belongs to your hand.
2: Ring Selection
You already know the syringes you trust. Your fit meets them directly — a precise extension of your hand.
3: Put It to Work
Thousands of meaningful injections, starting from fit, alignment, and intention. From here on out, it's yours.
single use or reusable
Control Rings™ work the way you work. Use one across multiple syringes in a single patient session, or clean and reuse for up to five sessions following your standard protocols.
precision that's yours
It doesn’t get in your way. It becomes part of the way you work. The Control Ring™ moves as you move, keeping your hands steady and your mind clear. Just you, your craft, and the result you came for.
naturally aligned
The Control Ring™ Collection isn’t an add-on, it’s meant to provide an extension of your skill. Designed to match your hand, your technique, and the way you work. No extra weight. No bulk. No adjustment period. Just balance, stability, and the confidence that your syringe will respond exactly as expected.
trusted performance
When a tool feels right, you stop noticing it. The Control Ring™ sits where it should, stays where it should, and lets your focus stay on the work in front of you.
Always the Right Fit
If it’s not the right fit, we’ll send the right one—no hassle.
Precision You Can Feel
From the first snap to the last injection, every detail is tuned to your hand.
Engineered Without Compromise
Every ring is built to exact specifications for its syringe.
Made for Injectors, by Injectors
Designed in-house, informed by real injection experience.
30 Day Return
We stand by our work. If it’s not for you, send it back within 30 days.
Built to Evolve
We listen, adapt, and refine. So your tools grow with your practice.
Secure Payments
256-bit encryption protects every transaction.
On Us
Complimentary shipping on orders of 2 or more items.
The Official KA Designs Journal
Blog: Sharp Points
A space where thoughtful design meets aesthetic practice.
- by David E. King BSN, RN
What if that low-level annoyance you’ve accepted as normal is quietly robbing you of focus? In the ICU, it started with my feet. Years later, it turned into a design philosophy. This story isn’t about shoes—it’s about refusing compromise when clarity and precision are at stake. At KA Designs, we don’t just make tools. We solve distraction.
- by David E. King BSN, RN
Reusable vs Disposable? Maybe That’s the Wrong Question.
This is the story of how we resisted pressure to compromise—and why our product lives somewhere between reusable and disposable by design.
- by David E. King BSN, RN
You don’t think much about your favorite pen—until it’s missing. That kind of quiet reliability is exactly what we set out to build.