For vinyl and vinyl asbestos materials. 5º offset blade fits into corners and along base molding. 4-1/2″x10-1/2″ hardened and tempered steel blade. Polypropylene handle. Double U-notch includes 1/16″x1/16″x1/16″ deep on 2 sides. 1/64″x1/16″x1/32″ on 2 sides.