Features: Good handfeeling and 50 million clicks long service life. As long as your original mouse is a rectangular three-pin straight foot micro move, universal Crisp feeling, medium and short stroke, compact rebound.Less lag than similar products, nominal all conservative life! The blue dot button 50M, longer than the ordinary 50M life, and even, feel crisp, very comfortable! D2FC-F-K Microswitch is relatively more crisp, improve switch accuracy, smooth operation. Specifications: Model:D2FC-F-K Mouse Micro Switches Life: 50 Million times Click Quantity:2PCS/10PCS Material: Plastic Packing Size:As Pictures Force: 0.74N Dot: Blue Dot ConnectorL 3Pins Package Includes: 2/10Pcs x Micro Switches (Without retail package) note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.