Marking Blocks

Wooden marking blocks for geological logging and drill core identification. Each block measures 3 cm × 6 cm and is cut from pine with a smooth finish that takes a Sharpie cleanly for clear, long-lasting core identification. Available dry in 5-gallon pails or in fibreglass bags.

• 3 cm × 6 cm
• Smooth pine — writes with Sharpie
• Pails or fibreglass bags
• Custom sizes available