Abstract: The invention is based on a saw blade, in particular for metal applications, with a serration (14) that has at least one first basic tooth spacing (16) and one second basic tooth spacing (18).

Abstract: The invention is based on a tool holder, having a base body (10) which is formed of at least one plate (22, 24, 26) and which has at least one releasable fastening means (12, 14, 16) for securing a tool (18).

Abstract: In a saw blade for power tools, in particular for power reciprocating saws, with a blade back (11) and a toothing (12) extending along the lower edge of the blade back and comprising many saw teeth (13) lined up in succession, in order to increase the blade life and service life of the saw blade, especially in a thick, stable embodiment, the saw teeth (13) in successive portions (a, b) of the toothing (12) are embodied with the same tooth width (az, bz), which however differs from that of the saw teeth (13) in the preceding or the succeeding portion (b, a) of the toothing (12).