Features: brand new and high quality With double section gold-plated spring, the rebound is faster. The material is for smoothness and ensure the purity of feel and sound. With dust-proof structure, improve life and stability. It is aim for minimize the Wobble of top housing and stem, Dustproof. Longer Stem Pole and 62g long spring to achieve better sound. Specifications: Main Features: 5PIns Linear Switch Bottom strength:62g Lube:Factory lube Spring: Gold-plated 2 Stage Long Spring Quantity: 4PCS/ 10PCS 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 Switch