50 pieces included Copper head contact heights - Available in multiple head heights: 1.5, 1.6, 1.7, 2, 2.3, 2.5, 3, 3.5, 4.3 mm Switch type and mounting - SMD PCB tactile push button switches - SMD mounting for circuit board integration Size and variants - Standard size: 4x4x4.3 mm - Optional low-profile variant: 4x4x2.3 mm Key attributes - 4x4 mm push button function suitable for PCB applications - Copper head contacts for reliable electrical performance Recommended applications - Compact control panels in consumer electronics, such as small audio or display devices - DIY projects and microcontroller-based prototypes that require a 4x4 mm tactile input - Robotic control interfaces or other equipment requiring reliable tactile input on a small PCB footprint Notes - 50 pieces provide a ready supply for multi-button interfaces or spares - The listed head heights allow selection to fit varying enclosure clearances and mounting heights while preserving a 4x4 mm button footprint