System of the reference numbers for jigsaw blades
H = blade for wood
C = conical grinding of the body
K = curved (narrow) body
D = extra strong and thick body
R = reverse teeth, teeth tips showing in opposite direction to the shank
G = diagonally sharpened
GS = diagonally sharpened and grinded teeth
CGS = conical, diagonally sharpenend and grinded teeth
W = wavy set teeth
K = jig saw blade for plastics and non-ferrous metals
M = jig saw blade for metal
BI = bi-metal
HM = hard metal teethed
DV = double teethed
