Features: Experience fast responsiveness with the 14mm for DeathAdder mouseswitch,precise in high stakes gaming and error less productivity tasks. Featuring a durability plastic metal construction and quite design, this microswitch minimizes wear and tear while reducing clicks noise by 40% compared to standard models. Ideal for competitive esports athletes needing split second reaction speeds and professional requiring quiet operating during night work . Optimized gaming performances or transform office setups with whispering quiet, tournament grade responsiveness for mainstream mouse models. 2Pin 70GF design ensuring 5million clicks durability, maintaining consistent tactiled feedbacks through long time gaming or intensived spreadsheet workflows. Specifications: Material: Plastic + Metal Size: about 14mm/0.55in for DeathAdder Mouse button life: 5million times, 70GF, 2Pin Precise microswitch, suitable for a variety of mouse models, sensitive to responsiveness and strong durability Quantity: 2Set Package Includes: 2Set Mouse Scroll Wheel Microswitches note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.