Features: The material of the springs is stainless steel spring , they are durable for long life service. With stronger rebound, better linear feedback. at the same time, it can strengthen the sense of paragraphs, and linear paragraphs take all. An essential hardware for various repair and maintenance in Mechanical Keyboard . compact and light weight, easy to store and carry. Package Includes: 1 x 100pcs Spring Switches Specifications: Material: Stainless steel Quantity: 100pcs Packing size: approx.10x10cm/3.94x3.94in 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