How about the genuine Kailh click switch "Kailh MUTE Button" for silent mice? I'm selling these at this price, practically at cost, because I bought them in bulk. How about using them for silent mouse modifications or repairs? 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 using these, so I'm offering them for sale. You can easily find repair instructions by searching online. The following article explains the process clearly for the M331: logicool 静音マウス M331の修理 (Repair of Logitech Silent Mouse M331) 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: 10 Please prepare your own solder wick if needed. If you need it, I can include approximately 6cm of solder wick, reducing the switch quantity by one. Please comment after winning the auction. By the way, it takes about 2-3 weeks to arrive from Amazon, which is about a month...