Nite Ize Inka Mobile Pen + Stylus - Blue Clip Point the Isotope was designed around

the Isotope was designed around the use of a glass tritium vial

Weight: 675 gram (without battery)

Beam Distance: 436 Meters

72 cm (closed)

The blade travels straight out of the front of the handle rather than pivoting on a pin

Nite Ize Inka Mobile Pen + Stylus - Blue Clip Point the Isotope was designed aroundPen fanatics, adventurers, and writers of every stripe: rejoice. The Inka Mobile Pen + Stylus has the innovation, quality, and convenience you need, from every conceivable angle. The dual function Inka Mobile Pen and Stylus is designed to go where you go, write where you need it to write, and stay where you want it to stay, so it's always conveniently at hand. Made of durable nylon and carbon fiber that's tough, lightweight, and corrosion resistant,