For wire（UTP/STP）or wire and multi conductor cable from 3.2 mm-9 mm max.
Irregular out-shape insulation can be put into the front “V”and “U” guide, rotate the tool 1-3 times by index finger for stripping the outer insulations easily.
S501B
Same as HT-S501A with an additional adjustable knob for fitting different cable sizes.
wire
wire and multi conductor cable from 3.2 mm-9 mm max.