Do you want to switch up the feel of your mechanical keyboard, but you don't want to deal with the expense and inconvenience of soldering in entirely new switches?
A simple way to find the perfect weight you're looking for in your pre-existing set-up, the Custom Cherry MX Springs are easy to install and instantly grant you the key feel you've always wanted!

These springs are custom-made and each compression force has its special properties: 
35G, 0.2m, Quick Arrow Edition. Rapid response! A bit softer and lighter than MX Reds. 
45G, 0.8m, Quick Arrow Edition. Tighter and elastic than MX Reds. Some may feel it like a HHKB or Topre 45g.
60G, 0.9m, More stable, elastic, and clear accentuated for the MX Blues. Optimized for the Linears too. The Ergo Edition.
62G, 1.0m, Slightly heavier, tighter, stable, clear accentuated than stock MX Blues. Simulated to be elastic as the Early Vintage Blues. The Ergo Edition.
67G, 1.5m, Vintage Black edition. simulated to the very Early Vintage Blacks, NCR-0527, G80-0510, G80-0904, Nixdorf Blacks, in 1980's. Soft & Cushiony.
80G, 2.0m, Soft MX Clear Edition. ~20% softer & lighter than MX Clears, but same cushiony too.