Package Includes: You will receive 200 pieces tactile push buttons in 10 different sizes: 6*6*4.3mm(20pcs), 6*6*5mm(20pcs), 6*6*6mm(20pcs), 6*6*7mm. (20pcs), 6*6*8mm(20pcs), 6*6*9mm(20pcs), 6*6*10mm(20pcs), 6*6*11mm(20pcs), 6*6*12mm(20pcs), 6*6*13mm(20pcs). Abundant quantity and rich size to meet your different needs. Advantage: High precision mechanism design provides accurate operation and long service life. Push button switches provide excellent push button operation in a miniature housing, ideal for situations where space is limited. 4 Poles Button: The tactile switch kit is easy to install and does not require particularly complicated operations. The tactile pressure switch consists of a normally open and closed contact, has 4 poles to connect the circuit and reduce contact resistance. Used in the fields of electronic products, household appliances and more. Easy to Store: All tactile push button switches are packed in a plastic storage box with a size label. You can easily identify the different types and select the size you need. Easy to use, find and carry. Wide Applications: Our tactile switch sets are versatile to meet your daily needs. Tactile push button switches are suitable for small components, remote controls, electronic toys, household appliances, digital products, TVs, walkie-talkies and other electronic products. Features: - Quality material, sturdy and durable, can be used for a long time. - With storage box, easy to use, find and carry. - High precision mechanism design provides accurate operation and long service life. - Featuring momentary contact, 4-pole button switch. - Ideal for TV, audio equipment, computer, intercom, remote control and many other files. - Ideal for situations where space is limited. Package Includes: You will receive 200 pieces tactile push button switches in 10 different sizes: 6 * 6*4.3mm(20pcs), 6*6*5mm(20pcs), 6*6*6mm(20pcs), 6*6*7mm.(20pcs), 6*6*8mm(20pcs), 6*6*9mm(20pcs), 6*6*10mm(20pcs), 6*6*11mm(20pcs), 6*6*12mm(20pcs), 6*6*13mm(20pcs).