"Mastercraft 10-piece Jigsaw Blade Set" fits which jigsaw tools?

went to canadian tire already...the guy there couldn't relieve me=]..kept on showing me the utility knives..so please help me=]
Thank You!!
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Answers:    Jig Saw is the type of saw it is. Jigsaw blades just fit jigsaws. Jig saw blades will not fit any other type of saw. A jigsaw's blades are for saws that saw up and down. They can be used to cut circles or curves. They have copious different types of blades, for cutting wood, metal, plastic. The bigger the teeth of the blade the faster they will cut in their designated type.
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Jigsaw blades are pretty much standard. This technique that one brand will fit into another brand of jigsaw. You can tell by looking at the non-cutting end that go into the clamping device on the saw.