A Vulcan lute on Aldea. The Vulcan lute (sometimes referred to as Vulcan harp, Vulcan lyre, or Vulcan Lyrette) was a twelve-stringed instrument, played on the planet Vulcan, that was tuned on a diatonic scale and noted to be very soothing.
Keystone Average Weather. 1  The highest monthly average temperature in Keystone for July is 54 degrees. 2  The lowest monthly average temperature in Keystone for December is 14 degrees.  The most monthly precipitation in Keystone occurs in January with 0 inches.
PRE-KEYED SHAFTING. TruKey Â® Shafting from Keystone is designed to provide the straightest, most accurate pre-keyed shafting in the industry. We stock keyed shafts in the most common diameters, including metrics, with standard keyways. We can provide pre keyed shafts cut to any length up to 20'.