The Bolt Action Tec-Pen has a reliable bolt-action mechanism that advances and retracts the Parker style refill consistently. It features a sturdy clip that is attached to the body with 2 small screws. It also has an end cap as well as a stylus for all touch screen devices. The metal finish is Gun Metal. The wood is exotic Narra Bee's Wing from Southeast Asia. It has been turned to expose the beautiful grain. The hand applied multi-layer acrylic finish is very durable and will stand up to the oils of the hand. It should not be exposed to extreme temperatures and humidity for extended periods of time. If after much use it appears or feels dry apply mineral oil and wipe with a microfiber cloth. It is approx. 5/8"dia. x 5.25"L. A card with information about the care of wood pens, the name of the wood and it's origin is included with the purchase.