Features: brand new and high quality With dust-proof structure, improve life and stability. The 5-pin switch design is used, universal for most of the mechanical keyboards. Gray White linear switch 62g travel force, half the silence . The spring is stainless steel (gold-plate) the rebound is faster The linear switch has small amount of lubrication inside,which is very suitable for quiet environments. Specifications: Durability: More than 0.5million actuations Contact configuration: Single-pole contact ： Travel: approx 3.7mm Pretravel: approx2.0mm Initial force: 28gf min. Operating force:approx 48gf. Total travel force: approx 62cN Bounce time: less than 5 ms Spring: Stainless steel Contacts: High-quality gold alloy Quantity: 4PCS/ 10PCS Package Includes: 1 Set x Linear Switch 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!