Features • 50Pcs In 1 Set: This kit provides 50 universal grounding terminals, ensuring you have ample supply for all your projects and easy replacements when needed • Superior Electrical Conductivity: Crafted from all copper with a tin plating, these terminals ensure excellent conductivity while minimizing heat generation during operation • Effortless DIN Rail Mounting: Designed for easy DIN rail installation, these terminals offer a secure connection and simplify conductor management for optimal performance • Durable Die Casting Design: Integrated die casting eliminates welding gaps, providing superior impact and oxidation resistance for long-lasting reliability • Versatile Grounding Protection: Accommodates wire diameters from 0.5 to 16mm² for hard wires and 0.5 to 10mm² for soft wires, ideal for protecting equipment shells from electrical faults Features: 1、Provide multi？size prototype boards for you to choose from, 30 double？sided prototype boards of 4 different sizes to meet your needs when designing your own electronic DIY projects 2、Contains 10 40？pin male connectors, 10 40？pin pitch right？angle male connectors, their spacing is 2.54mm/0.1in, with single？row direct headers 3、All 175 electronic components are collected in a plastic storage box, easy to store, convenient for your electronic experiments and DIY projects 4、There are 4 mounting holes on the corners of the board, it is very convenient to install, you can rest assured to use this electronic components 5、Made of ABS, there are 60 m light？emitting diodes, with 5 colors of red, yellow, white, blue, and green, 12 for each color Specification: Item Type: Circuit Board Commodity Material: ABS The Distance Between 5.08-301-2P and 5 5.08-301-3P: Approx. 5.08mm/0.2in 5.08-301-2P and 5 5.08-301-3P rated voltage: 300V 5.08-301-2P and 5 5.08-301-3P rated current: 16A Led Diodes: 60 m Light Emitting Diodes, 5 Colors (red, Yellow, White, Blue, Green), 12 for Each Color Package List: 10 x 2x8cm Prototype General Version 10 x 3x7cm Prototype General Version 5 x 4x6cm Prototype General Version 5 x 5x7cm Prototype General Version 10 x 40-pin Male Connector 10 x 40-pin Pitch Right Angle Male Header 12 x 3mm White LED 12 x 3mm Red LED 12 x 3mm Yellow LED 12 x 3mm Green LED 12 x 3mm Blue LED 40 x Female-to-female Cable 5 x 5.08-301-2P 5 x 5.08-301-3P 15 x Tactile Lid Switch Package List 10 x 2x8cm Prototype General Version 10 x 3x7cm Prototype General Version 5 x 4x6cm Prototype General Version 5 x 5x7cm Prototype General Version 10 x 40-pin Male Connector 10 x 40-pin Pitch Right Angle Male Header 12 x 3mm White LED 12 x 3mm Red LED 12 x 3mm Yellow LED 12 x 3mm Green LED 12 x 3mm Blue LED 40 x Female-to-female Cable 5 x 5.08-301-2P 5 x 5.08-301-3P 15 x Tactile Lid Switch