The Initiate the cut for a clean start, along with push/pull cutting capabilities. Removes excess drywall along straight cuts for a smoother and more precise edge.Highlights:Material: High Carbon SteelUniversal Fit4-in-1 Features for more versatility within one bladePiercing Tips: Initiate the cut for a clean start, along with push/pull cutting capabilitiesShaver Notches: Removes excess drywall along straight cuts for a smoother and more precise edgeElectrical outlet boxesRecessed lights