Features: brand new and high qualityCherry Mx Black Switches.Black Hyperglide: Linear - 60g Actuation.Long Life 50 Million Operations Clicky.Before buying, Please make sure that what is your Keyboard SwitchesThis item is supplied to professionalsNote:It Is Possible For Some Switch Pins To Be Bent During Shipping. This Is Very Hard To Avoid. This Does Not Necessarily Mean That The Switches Are Damaged. Please Straighten The Pins Out Carefully Before Inserting Them To The Keyboard.Specifications: Black Hyperglide: Linear - 60g ActuationQuantity: 4pcs, 10pcs(optional)Package Includes: 4 x Cherry MX Switchesor10 x Cherry MX Switchesnote: 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!