The blades are extremely sharp, time-consuming sabers is not necessary to release the protective casing of copper, too deeply cutting into the outer sheath and violating the internal insulation, which can occur with other system is quite impossible.
Only the extendable cable diameter is mine opinion, unnecessary, it is too short and are under pressure to, also the Stripper is not the appropriate handle it. To this end, so better stick to the normal cable diameter, from the stripper you can confidently but separate!
Conclusion: With the Super Stripper is carried out at the electrical installation faster (about three times faster than with other tools), safer and more effective.