Pre-Made Staircase KA1 (24 AWG x 2 + 0.1 x 0.9mm) 0.25 Ω – 10 Pack


The Pre-Made Staircase KA1 coils are a pack of ten 0.25-ohm coils designed for rebuildable atomizers. Constructed from 24 AWG KA1 wires and a 0.1mm x 0.9mm ribbon wire, these pre-wound coils offer enhanced flavor and vapor production thanks to their unique staircase design. Durable and oxidation-resistant, they provide a consistent and convenient user experience.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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Pre-Made Staircase KA1

The Pre-Made Staircase KA1 is a set of ten coils designed for rebuildable atomizers. Featuring two 24 AWG KA1 wires paired with a 0.1mm x 0.9mm ribbon wire, these coils offer a resistance of 0.25 ohms, making them a perfect match for sub-ohm tanks. Due to the increased surface area created by wrapping the ribbon wire around the twisted wires, the staircase design promotes flavor and vapor production. With a KA1 core, these coils resist high-temperature oxidation and guarantee constant performance. The pre-wound and ready-to-use coils save time and are compatible with a range of rebuildable atomizers, making them both versatile and user-friendly.

About The Product

The details of this product are as follows:

  • Metal – FeCrAl A1 ( KA1)
  • Pack Size – 10 Coils
  • Resistance – 0.25 Ω
  • Coil Build – Staircase (24 AWG x 2 + 0.1 x 0.9mm)

Why Use The Crazy Wire Company

  1. Quality of products: The Crazy Wire Company always  offer high-quality products that meet industry standards and customer expectations.
  2. Selection: We offer a wide variety of wire products and sizes to meet the diverse needs of our customers. We have more than 600 products available through our site and counting. 
  3. Price: We always offer the best value possible. Our wires are available as part of our major weaving processes, so it is bought at the best possible rate. 
  4. Availability: Our products are kept in house and are ready to ship immediately. 
  5. Customer service: Our experienced staff help our customers feel confident in their purchases and provide assistance when required. 

What Else Is Available?

We do not only offer KA1 round wire. We also have a huge range of Nichrome and stainless steel round wire in immediate stock too.

Ribbon wire and flat wire are stocked for immediate dispatch too.


FAQs About This Product

Are Pre-Made Staircase KA1 Coils Eco-Friendly?

Pre-Made Staircase KA1 coils, like many other metal-based components, are not inherently biodegradable. However, the eco-friendliness of these coils depends on various factors:

  1. Materials: KA1, the primary material in these coils, is a durable material. While it doesn’t degrade in the environment, it is recyclable. If you recycle the coils properly, their environmental impact will reduce.
  2. Packaging: If the coils come in recyclable or minimal packaging, this would enhance their eco-friendliness.
  3. Lifespan: Durable products that don’t need frequent replacement are generally more eco-friendly as they reduce waste. If the Pre-Made Staircase KA1 coils are designed for longevity and can be used over extended periods without replacement, they’re more environmentally sustainable.
  4. Production Process: The environmental impact of the manufacturing process, energy consumption, and waste production would also determine their eco-friendliness.
  5. Disposal: It’s essential to dispose of used coils responsibly. Rather than tossing them in the trash, finding a proper recycling facility for metal components will help mitigate environmental impact.

How Does The Staircase Design Affect Performance?

Pre-Made Staircase KA1 coils’ staircase design increases the surface area that comes in contact with the wicking material, enhancing their performance. Its unique structure ensures even and efficient heating, resulting in improved flavor and vapor production. As the liquid is vaporised evenly, pockets create pockets that trap e-liquid, resulting in a richer flavor. Additionally, the staircase design ensures consistent heat distribution, reducing the occurrence of hot spots and providing an enjoyable user experience. Additionally, efficient wicking ensures that dry hits are prevented and optimal performance is maintained. Although it is not a performance factor, users who value craftsmanship in their coils appreciate the aesthetic appeal of the intricate staircase design as well.


Check out our blog expanding on the difference between Clapton and Flapton coil wires. This is an extremely detailed article, which we hope will provide much insight into the subject. 

We also offer similar products through our highly popular eBay store, check us out there too.

Contact our team today if you have any questions at all. We are always really keen to help in any way that we can.


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