Amazon.com: ENHANCE Mechanical Keyboard O Ring Ultra-Quiet Switch Sound Dampeners Kit Soft 40A Clear (140pcs), Key Cap Remover, Cleaning Brush, Cloth and Accessory Bag - Mod Kit for Cherry MX, TTC, Kaihua :
Razer BlackWidow Lite Wired TKL Mechanical Gaming Orange Switch Keyboard new | eBay
Razer BlackWidow Lite - Mechanical Keyboard
O-Rings Mechanical Keyboard Installation - Razer Blackwidow X (Do they make a difference!?) - YouTube
Razer's BlackWidow Lite TKL mechanical keyboard includes o-rings at $72 (Reg. $90)
Amazon.com: Razer Doubleshot PBT Keycap Upgrade Set for Mechanical & Optical Keyboards: Compatible with Standard 104/105 US and UK layouts - Classic Black : Video Games