Cover Strips are Micro Blocks that are made by placing Covers next to a Handsaw in the crafting grid. Depending on the material you want to use, you may need a Diamond handsaw. One Cover Strip equals 1/32 of a block. They are the smallest subblocks except for Corners.
Cover Strips can be placed within the same block as Red Alloy Wire and used as a way to keep adjacent wires separate without using insulated wires. They are also ideal for making handrails on catwalks or objects of that nature.