My design is the “Next Evolution on the Level”, reducing wasted Motion - Time and Frustration, the sight you want is always where and when you need it, Construction Trades: Carpenters - Framers - Electricians - Glass Installers - Plumbers - Masons, also Fabricators - Machine Builders - DIY, and the list goes on, anyone who uses a Level to make a living, or a needed sometime tool, this Level design helps anyone and everyone.