WORKSITE Jigsaw Blade Set. Cutting Tools 8TPI Jig Saw Blade. 5 Piece Jigsaw Blade For Aluminium. Designed With HSS Construction For Long Life. Ideal For Plastics (Soft And Hard), ABS, HDPE, Plexiglas, Acrylics, Cement Board, Aluminium, And Similar Materials. WTT127D