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				Here is a description of the blades commonly found in a Q9-branded pack, identifiable by their standard (Bosch-style) model numbers:
Common Blades in a Q9 Pack
T101AO (Clean for Wood):
Material: High Carbon Steel (HCS).
Teeth: Taper-ground, pointed teeth.
Application: Designed for making very clean, splinter-free curved cuts (scroll cuts) in wood, laminate, and plastic. Ideal for softwood and plywood up to 15mm (approx. 5/8 in) thick.
T118A (Basic for Metal):
Material: High-Speed Steel (HSS).
Teeth: Milled, wavy-set, and fine.
Application: Designed for making straight, basic cuts in thin sheet metal (1-3mm or approx. 1/16 in to 1/8 in).
T144D (Fast for Wood):
Material: High Carbon Steel (HCS).
Teeth: Side-set and ground, very coarse.
Application: Designed for very fast, aggressive, straight cuts in wood. Ideal for construction lumber, softwood (5-50mm or approx. 3/16 in to 2 in), chipboard, and plywood. The cut will be rough, not fine.
In summary: A "Q9 Jigsaw Blade" is not one specific blade. It is a brand that packages and sells a variety of standard jigsaw blades for different materials and cut types (e.g., clean wood cuts, fast wood cuts, or metal cuts).s, fast wood cuts, or metal cuts).