The Session Series is offered in Single Neck 10, 12, and 14-string models, also 12 and 14-string single neck universal E9th/B6th models with the Sierra Change lock, and Double Neck 10-string models. Options include Sierra Gearless tuners or standard Grover tuners; 24 1/4" or 25" scale. All are available with custom tunings and pedal-knee lever arrangements, and a variety of color choices. The all pull straddle "H" style changer, aircraft aluminum frame, maple necks, and the no-castings criteria all add to the making of the most stable playing platform in the industry. The precision, compact, and clean design adds to your playing performance. With the modular pickups you can customize your tone between songs. Pickup selection includes the Sierra CT and two George L's pickups, the Sierra 1 and Sierra 2. DiMarzzio pickups are available and endorsed byJoe Wright.