EndoSequence files are manufactured in tapers 06 and 04. The smaller 04 files have a golden shank, while the 06 files have a silver color. 04 instruments are available in sizes 15 - 40; for the 06 files two additional sizes of 45 and 50 are also made. For initial canal preparation, an intermediate file with a size 27 and 04 taper is available (Expeditor file). The regular sized files are made in three lengths: 21, 25 and 31mm. Color coding shows the tip size according to the ISO color standard system.