The Ultimate Guide to Keycap Sets: From Base Kits to Novelties
By Novelkeys | Published: 2026-08-03
Category: Buying Guides
Discover everything about keycap sets: base kits, novelties, compatibility, and buying tips. Perfect for beginners and collectors alike.
Keycap sets are the soul of any custom mechanical keyboard. Whether you're building your first board or adding to a growing collection, understanding the components of a keycap set is essential. From base kits that cover the essentials to novelty keycaps that add personality, this guide will walk you through everything you need to know.
At Novelkeys, we offer a wide range of keycap sets, from minimalist to bold. In this ultimate guide, we'll break down the anatomy of a keycap set, explain compatibility, and share tips for making the right purchase. By the end, you'll be ready to choose the perfect set for your keyboard.
What Is a Keycap Set?
A keycap set is a collection of keycaps designed to fit a specific keyboard layout. Most sets include a base kit that covers the main alphanumeric keys, modifiers, and sometimes a spacebar. The base kit is the foundation, ensuring you have all the keys needed for a standard layout like ANSI or ISO.
Beyond the base kit, many sets offer additional kits such as numpad, ortholinear, or ergonomic coverage. These extend the set to fit different board sizes and layouts. Understanding what's included in a base kit is crucial, especially if you have a non-standard keyboard.
- Base kits typically include alphanumerics, modifiers, and a spacebar.
- Additional kits may include numpad, ISO, or 40% support.
- Always check the layout compatibility before purchasing.
Components of a Keycap Set: Base Kit, Novelties, and More
The base kit is the core of any keycap set. It usually covers a standard 60-75% layout, but some sets offer extended base kits for TKL or full-size boards. For example, the GMK Leftovers set includes a comprehensive base kit that fits most standard layouts, making it a versatile choice.

Novelty keycaps are the fun part. These are uniquely designed caps, often with custom artwork or icons, that replace specific keys like Enter or Escape. They add a personal touch to your board. Sets like CYL Kaiju R3 are known for their striking novelties that bring a theme to life.

Other components include spacebar kits, modifier kits, and accent kits. These allow you to customize colors and styles. Some sets even include artisan-style caps, like those in The Big Switch Series, which offer a mix of standard and decorative keys.
- Base kit: essential keys for your layout.
- Novelty kit: unique caps for personalization.
- Spacebar and accent kits: add color and style.
Keycap Profiles and Materials
Keycap profiles affect the feel and look of your keyboard. Common profiles include Cherry, OEM, SA, and DSA. Each has a different shape and height, impacting typing comfort and aesthetics. For instance, Cherry profile is low and sculpted, while SA is tall and spherical.
Materials also matter. ABS and PBT are the most common. PBT is more durable and resistant to shine, while ABS offers a smoother feel. Many enthusiasts prefer PBT for its longevity. When choosing a set, consider the profile and material that best suits your typing style.
- Cherry profile: low, sculpted, and popular.
- SA profile: tall, spherical, and retro.
- PBT is more durable; ABS is smoother but prone to shine.
Compatibility: What to Look For
Before buying a keycap set, ensure it fits your keyboard. Check the layout (ANSI vs. ISO), the size of the spacebar, and the bottom row configuration. Some keyboards have non-standard bottom rows, which may require special kits.
At Novelkeys, we list the compatibility details for each set. For example, the CYL Nightshade set is designed to fit a wide range of layouts, including 60% and TKL. Always verify the compatibility to avoid disappointment.
- Check the layout: ANSI, ISO, or other.
- Measure the spacebar and bottom row.
- Look for sets that support your board size.
How to Choose the Right Keycap Set
Choosing a keycap set involves balancing aesthetics, budget, and functionality. Start by deciding on a theme or color scheme that matches your setup. Then, consider the profile and material based on your typing preferences.
If you're new, a versatile set like the NK65 is a great starting point. It offers a clean look and excellent quality. For those who want a unique statement, consider sets with elaborate novelties, such as the Evil Dolch Deskpad matching set or the CYL Parcel collection.
Finally, think about the future. If you plan to expand your collection, invest in sets that offer additional kits for other layouts. This way, you can reuse keycaps across different boards.
- Decide on a theme and color.
- Consider profile and material.
- Look for sets with expansion kits.
Keycap sets are more than just replacement caps—they're a way to express your style and enhance your typing experience. Whether you're drawn to the bold novelties of CYL Kaiju R3 or the classic versatility of GMK Leftovers, there's a set out there for you. Explore our collection and find the perfect keycap set to elevate your keyboard today.


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