Redragon Custom Switch. A113 Bullet series customizable mechanical keyboard switches kit is exclusively customized from the original MX mechanical switches: dedicated for keyboard mod enthusiasts: compatible for all hot-swappable keyboards including the Redragon 2021 keyboards (K530: K630: K617 ONLY) & upcoming 2022 new Redragon hot-swap series. Lime Soft Tactile (Equivalent Brown). Bullet-QT: the outstanding quiet series dedicated to low typing noise users: do not sacrifice the soft brown tactile feel. Equivalent to the original MX Brown tactile switch with a more stable and premium typing experience. Epic Durable Quality. There are 24 switches in the box: with an extra keycap and switch puller: every single switch has a 50 million click times durability. Extremely wear-resistant internal components with IP40 dust-proof features provide a long-lasting and stable quality lifespan. No Missing Clicks. Advanced mainstream 3-pin configuration for maximum applicability and worry-free customization. Strong and solid all-metal pin contacts: plug-and-play for one-click ultra-precision left no lag or missed the key.