If you\’re going to be adding and removing wires to a project, these 2.54 pitch headers are an ideal way to make it easy and reliable. This box has a useful selection. Maker Essentials are components and useful bits for everyday electronics and tech projects. Kit contains 2x male 2.54mm 2×20 header 10x male 2.54mm 1×20 header 4x male 2.54mm 2×3 header 2x male 2.54mm 1×20 right-angle header 2x male 2.54mm 2×20 right-angle header 2x female 2.54mm 2×20 header 4x female 2.54mm 2×3 header 6x female 2.54mm 1×10 header 6x female 2.54mm 1×8 header 6x female 2.54mm 1×6 header 6x 2.54mm jumper with handle