Embodiments of spool covers adapted for covering spools of wire mounted on corresponding shafts for preventing tangling of the wire during use, comprising a first cover portion and a second cover portion, each cover portion adapted to engage the shaft adjacent sides of the spool of wire without removing the spool from the shaft, the first and second cover portions being one of rebuildable, comprised of disposable cardboard, and comprised of side walls wherein one of the side walls has attached thereto at least one collett portion adapted for retaining the spool centered within the first and second cover portions.