Surefire Writing Pen IV EWP-04 - Silver ABS it also has a couple

it also has a couple of uniquely useful features

Extra set of o-rings

A full press will toggle power on & off or press half way to cycle through brightness levels and Strobe mode

Features Rugged aerospace aluminum body with Mil-Spec hard-anodized finish

Colour options: Black

Surefire Writing Pen IV EWP-04 - Silver ABS it also has a coupleThe sleek SureFire Pen IV is precision machined from high strength aerospace aluminum and hard anodized with a rugged Mil Spec finish in your choice of black or silver. Both models feature attractive black hardwarea diamond like coating on the pocket clip and nose cone and black oxide on the retractor buttonto create a bold statement: a dramatic look with the black model; a strong contrast with the silver model. Inside Pen IV is an imported Schmidt