Mechanical Pencil Accessories (Large Eraser & 12 Extra Leads) The Silencer II with Rifling Grooves Special Edition features three sprial cut grooves on each side of the black barrel. The black & silver contrasts, giving the barrel a unique machined look. Only available in black. #00427 (LIST $125)$105.00Pen or Pencil Mode?: Gel/BP (Parker Style Refill)0.5 Mechanical Pencil0.7 Mechanical Pencil Contact Information: MichaelsPensLLC@yahoo.com