Features:brand new and high qualityUnique comfortable and smooth experience, which is very suitable for both office and gamers..The 3-pin switch design is used, universal for most of the mechanical keyboards.Classic and traditional linear short spring, gold-plated for high softness and comfort.The improved light-guide column will not get stuck on the keycap. The second-generation NCR-V2 switch uses a matte design, which is close to the texture of cement.The upper cover & lower cover are made of nylon PA material, the switch core is made of POM material, and the spring is gold-plated spring, which brings you better performance. Specifications:Type:TTC NCR V2 SwitchQuantity: 4PCS/ 10PCSOperating force: 5210gfLifespan: 80 millionPre-Travel: 2.00.6mmTotal - Travel: 4.0-0.3mmLeaf spring: Gold contactsTerminals: Gold ContactsType: Linear 3-Pin Note:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 Set x Linear Switches