Smraza 100pcs Double Sided PCB Board Kit, Prototype Boards for DIY Soldering and Electronic Project Circuit Boards Compatible with Arduino Kits, 30PCS 40 Pin 2.54mm Male and Female Header Connector auspowers_batchone and you can change a

and you can change a new screw

Color-coded tubing makes it easy to identify the right size of the connector for every application

Panel Nut 3/8-32 thread 1/2" Hex Brass Nickel Pack of 50

Yellow Chromate Zinc Coating

Smraza 100pcs Double Sided PCB Board Kit, Prototype Boards for DIY Soldering and Electronic Project Circuit Boards Compatible with Arduino Kits, 30PCS 40 Pin 2.54mm Male and Female Header Connector auspowers_batchone and you can change aSmraza 100pcs Double Sided PCB Board Kit, Prototype Boards for DIY Soldering and Electronic Project Circuit Boards Compatible with Arduino Kits, 30PCS 40 Pin 2. 54mm Male and Female Header Connector Product Features Selection of Multi Sized Proto Boards 30 pieces double sided prototype boards of 4 different size to meet your demands when designing your own Arduino kits, electronic experiments and DIY projects. (10 pieces 2*8cm, 10 pieces 3*7cm, 5