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These are high quality stainless steel SPRiT Progressive springs, they provide a unique typing experience by starting off lighter at the key press and getting exponentially heavier on the downstroke.
This provides a softer, bouncier bottom out and overall pleasant feel. Each pack comes with 100 springs.
Starts 8-10g lighter than normal at the key press until actuation, then exponential force afterward. Bottom out is the same as linear springs. It does not matter how you orient the spring.
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