STS Auto Design
Your source for magnetic tool attachments and custom solutions built for pros and DIYers alike. We design durable, innovative accessories to keep your tools organized, secure, and always within reach — whether you're in the shop, on the job, or working at home.
Magnetic tool holders
Custom 3D-printed solutions
Built for mechanics, techs, and makers
Join thousands who trust STS to work smarter. Explore our best-sellers or become a Pro Partner and get exclusive monthly deals.
WELCOME TO STS AUTO DESIGN
WELCOME TO STS AUTO DESIGN
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FREE SHIPPING
All items are free shipping in the USA.
International Shipping available for an additional fee. -
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EXPERTLY CRAFTED
Precision parts designed by automotive professionals with a passion for performance and style.
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PREMIUM QUALITY
We use top-tier materials to ensure unmatched durability, fitment, and aesthetic appeal.
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DEDICATED SUPPORT
Our team is available Monday–Friday, 9am–5pm EST to answer questions and guide your build.
GALLERY
Shop Our New Collection
Introducing our Magnetic Battery Holder for your favorite Snap-on 14.4v Battery Charger, affectionately known as the "Shoebox," by STS Auto Design – the ultimate solution for secure and convenient charger storage.
Key Features:
Effortless Organization: Keep your Snap-on 14.4v Battery Charger securely in place with our Magnetic Battery Holder, ensuring easy access whenever you need it.
FREE Shipping in the Continental USA: Enjoy the added convenience of FREE shipping within the Continental USA, because we believe in providing exceptional value and service to our customers.
International Shipping Available: For our international customers, we offer shipping options at market rates, ensuring that you can experience the convenience of our Magnetic Battery Charger Holder no matter where you are in the world.
Model Number: SN144CH
Upgrade your charger storage with our Magnetic Battery Holder and experience unparalleled convenience and organization in your workspace!
Introducing our STS Auto Design M18 1.5/2.0Ah Magnetic Battery Cover – the ultimate solution for secure and efficient tool storage.
Key Features:
(3) 100lb Magnetic Cover Design: Our innovative magnetic cover design ensures a strong and secure hold for your M18 1.5Ah /2.0Ah M18 batteries, keeping them in place wherever you go. This unit will secure most m18 tools in place.
FREE Shipping in the USA: Enjoy the added convenience of FREE shipping within the USA. At STS Auto Design, we prioritize delivering exceptional value and service to our customers, making your purchase hassle-free.
International Shipping Available: No matter where you are in the world, you can experience the convenience and efficiency of our Magnetic Battery Holder with our international shipping options. We're committed to providing our innovative storage solutions to customers worldwide.
Model Number: MW1820
Upgrade your tool storage experience with our STS Auto Design M18 Hi Output 1.5/2.0Ah Magnetic Battery Cover. Order now and enjoy the convenience of secure and organized tool storage wherever you go.
Introducing the game-changing Magnetic Battery Cover for Larger M18 Batteries by STS Auto Design. Crafted with precision and innovation, this revolutionary unit is designed to transform your workspace and supercharge your productivity.
Key Features:
Seamless Compatibility: Engineered to accommodate standard-size 3/4/5/6ah XC M18 batteries with a snug and secure fit, ensuring compatibility with your tools.
Unrivaled Clamping Power: With an incredible 400 lbs of clamping power, this powerhouse isn't just your average battery holder – it's a force to be reckoned with! Say goodbye to fumbling with tools as our Magnetic Battery Cover firmly grips onto metal surfaces, providing unwavering strength and stability.
FREE Shipping in the Continental USA: Elevate your workspace with no extra cost! Enjoy the luxury of FREE shipping within the Continental USA because enhancing your work environment should be hassle-free.
International Shipping Available: Our impact spans beyond borders! We're thrilled to offer international shipping options, ensuring that no matter where you are in the world, you can experience the unparalleled convenience and efficiency of our Magnetic Battery Holder.
THIS IS FOR THE STANDARD NOT HIGH OUTPUT XC BATTERY, THE HIGH OUTPUT 68AH IS A DIFFERENT COVER. PLEASE FIND IT HERE https://www.stsautodesign.com/store-1/p/milwaukee-m18-hi-output-60ah/80ah-magnetic-battery-cover-mw1868ho
Model Number: MW18XC
It's time to usher in a new era of efficiency and organization in your workspace. Elevate your game with our Magnetic Battery Holder today and watch as your productivity skyrockets to new heights!
Client Testimonials
“Great experience with these guys…Definitely recommended.”
“Great company great customer service. 10 out of 10.”
“Great fab work! Jeff is an amazing welder”
Engineered to dominate. Designed to inspire.
From concept to the cart, STS Auto Design Tools delivers magnetic innovation and rugged utility that work as hard as you do.
Our products don’t just attach—they elevate. Designed for pros who demand efficiency and built for performance that sticks with you.