Tactile Turn Bolt Action Titanium Titanium Standard. Because the surfaces of both the interior part and the inside surface have been carefully machined to be extra smooth the action feels amazingly satisfying. Specifications for Tactile Turn Bolt Action Pen: Manufacturer: Tactile Turn Color: Titanium Fabric/Material: Titanium Length: 5.6 in Features of Tactile Turn Bolt Action Pen All-metal durable bolt action mechanism Three lengths: Standard Short Mini Available in Titanium Copper Bronze and Zirconium Package Contents: Tactile Turn Bolt Action Pen Tactile Turn 10-BA1-TTM-TTM: Bolt Action Titanium Titanium Standard