Coaxial cable stripper.
It has an interchangeable accessory that permits to cut cables of different types, including RG6, RG58, RG59 and RG62. It has two blades. Through an included allen wrench it is possible to vary the depth of cut made. And changing the position of the blades it is possible to vary the length of the cut made, it may be of 4, 6, 8 or 12 mm.
Tool, simple to use and high quality, essential for installations.