Features and Benefits:�Double Truss Design guides blade for straight window cut-outs�Fang Tip delivers fast plunge cutting for window cut-outs�FANG TIP ™�Floor Guard shields teeth from floor contact during bottom plate cut-outs�NAIL GUARD ™�Unique Blade Geometry protects against floor impacts during bottom plate cut-outs�Unique design protects against tooth fracture when cutting nails between studs and joistsThe flush cut SAWZALL® blade has been engineered to solve the unique frustrations encountered during window and door cut-outs. The unique design provides straighter cuts and protects the blade and teeth when cutting bottom plates.