How about the genuine Kailh click switch "KAILH MUTE Button" for silent mice? I'm selling them for about 68 cents (around 90 yen) each in bulk, even though it's below cost until the competition disappears. How about it for silent mouse modifications or repairs? This is a set with 9cm of solder wick. CMI627301 https://m.kailhswitch.com/info/kailh-silent-micro-switch-mi627301d-35964852.html I was able to repair the left click on my Logitech M331, so I'm offering these for sale. You can easily find repair instructions by searching online. The following is a clear explanation for the M331: logicool silent mouse M331 repair https://riku-zen.cocolog-nifty.com/blog001/2019/05/post-9d3d2b.html Other repair examples: Elecom EX-G, Logicool M510, M590, M570・M575, M650, M720, G700・G700S, MX Master Manufacturer: Kailh Mute Button Model Name: Silent Switch Wireless Mouse Button Micro Switch Size: 6*6*7.3mm Rated Current: 50mA (A) Quantity: 4 Please prepare your own solder wick if needed. If you need it, I can reduce the number of switches by one and include about 6cm of solder wick. Please comment after winning the auction. By the way, it takes 2-3 weeks to arrive from Amazon, so…