Logitech G403 HERO Gaming Mouse - LIGHTSYNC RGB - UK
1Pair Repair Parts Mouse Micro Switch for logitech G403 Mouse Button Bo~AW | eBay
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Logitech G403 HERO gaming mouse with HERO 25K DPI sensor, LIGHTSYNC RGB, light weight of 87g and optional 10g weight, PC/Mac - black : Amazon.co.uk: PC & Video Games
I put G403 switches on my G703 LSp : r/MouseReview
Omron Micro Switch D2fc-f-7n 20m Suitable For The 10m 50m Button Of Steelseries Logitech G403 G603 G703 Mouse 2pcs/lot - Mice & Keyboards Accessories - AliExpress
Logitech G403 HERO gaming mouse with HERO 25K DPI sensor, LIGHTSYNC RGB, light weight of 87g and optional 10g weight, PC/Mac - black : Amazon.co.uk: PC & Video Games