-3 Measurements including 90°, 180° and 45° covers almost all of your needs -Hanging holes on both end makes it convenient to storage and space saving -Provides 0.5mm/m accuracy in the normal position -Aluminum frame enables lightweight, high stability and secure hold while working -High visibility vials, horizontal, vertical and 45˚s for easy and fast operation -Double-side milling for more precise operation -Plastic end caps protect the profile against impact -Ideal for home decoration, DIY, items repairing, wood working, landscaping, hanging painting, TV's and more