Ruined a blank on your Hymark build? This replacement brass tube set gets you back to turning without buying a whole new kit.

• Quantity: 1 set
• Compatible with: Hymark Marking Pen Kit
• Upper tube dimensions: .580" x 1.67"
• Lower tube dimensions: .539" x 3.35"

Cut to the correct length and ready to glue in — keep one on hand for the next build.