Redstone Utility 1.8v1.2.zip is a release file of the Minecraft resource pack Redstone Utility 1.8, 1.9(snapshots), made for Minecraft 1.8.7, 1.8.4, 1.8.8, 1.8.3, 1.8.6, 1.8, 1.8.2, 1.8.5, 1.8.9, 1.8.1. It was published on February 10, 2016 and is 0.5 MB in size. For the full description, screenshots and every other version, visit the Redstone Utility 1.8, 1.9(snapshots) resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.