W14020G is specially designed for stripping high-temperature wire insulations made of thermostable materials such as Teflon*, Kapton*, silicone rubber, etc, of 20 AWG (Ø0.81 mm / Ø0.0319 in).
This cartridge works with WS140 Precision High-Temperature Wire Stripper Tweezers which has an adjustable strip length gauge to select the stripping length.
Both cartridges are included in this reference.
* Registered Trade Marks of DuPont