Cermant Professional 4-in-1 Prototyping Header Kit, 20Pack (5x4 Types) 1x40 Pin 2.54mm Gold Plated Male/Female for PCB Stacking, Arduino, Breadboard Module Interface

["1x40 PIN HEADER SYSTEM FOR FULL DEVELOPMENT CYCLE – Includes 5 each of: Gold-Plated Male Pins (permanent install), Tall Female Sockets (11mm for displays), Standard Female Sockets (module docks), and Centered Long Pins (15mm for PCB stacking).","DESIGNED FOR MODULARITY & HOT-SWAPPING – Quickly create pluggable interfaces for LCDs, sensor modules (DHT11, HC-SR04), wireless boards (ESP32), and 3D printer controllers. Test and replace components without soldering.","PRECISION PCB STACKING & SPACING SOLUTION – Achieve reliable, spaced board-to-board connections for power distribution, signal isolation, or adding cooling fans between PCBs in custom enclosures or test fixtures.","PREMIUM CONSTRUCTION FOR DEMANDING USE – Made with high-temp PA66 plastic and precision-machined pins. Gold-plated contacts on male pins provide reliable, low-resistance connections critical for analog signals and high-cycle testing.","ENGINEERED FOR EFFICIENCY & PROTECTION – The 20 headers come systematically organized in labeled, anti-static bags. This saves time, prevents loss, and meets the organized workflow demands of labs, workshops, and professional makerspaces."]