The Silhouette Black Blade (also referred to as the Standard Blade) has been designed to fit all of the Silhouette Digital Cutting Tools (All Cameo Versions | Curio | Portrait). The blade is manually adjustable via a Ratchet which can be found on all Silhouette Digital Cutting Tools and allows for adjustment from 0.1mm to 1mm in length. The Blade is constructed from Carbide which offers a great lifespan and provides a 1st class cut on materials such as Cardstock, Vinyl and Chipboard.