The NuScribe is a tool developed by NuStair to expedite and perfect the stair remodeling process. It acts as a slide rule that can be positioned it inside two stringers. You then lock down the arms and pull it off, preserving the exact measurements needed for your new tread. Position the NuScribe on the tread, mark the measurements and cut your tread for a perfect fit. For more details read our blog post on 3 Reasons the NuScribe Will Be Your Best Friend.