What materials can these jigsaw blades cut?. Are these blades compatible with my jigsaw?. The set includes 14 pieces: 2pc x 24 teeth (smooth fine cuts), 2pc x 32 teeth (extra fine detail cuts), 2pc x 18 teeth (general purpose), 2pc x 14 teeth (fast rough cuts), 2pc x 10 teeth, 2pc x 8 teeth, 2pc x 6 teeth.
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