No. 16 suits round cables from 4 to 16 mm and is the most common knife on installation sites. No. 27 is sized for 8–28 mm cables with a more stable grip. The No. 28 series comes with G or H brackets for different jacket thicknesses and hand positions.
System 4-70 uses interchangeable blade cassettes for 4–70 mm cables. Replacing a cassette costs less than replacing a knife—useful for maintenance teams facing mixed cable sizes. With any JOKARI knife, set the depth and test on scrap before cutting live cable.
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