The Combo Core comes ready to use with the plunger in the 5 gram position. Simply lift the plunger and turn it around to collect the 10 gram samples from the same tool.

Features
• One sampling tool collects both 5 and 10 gram samples - no need to order two sizes for different projects
• The Combo Core™ barrel fits easily into a standard 40 ml and 50 ml glass vials for easy sample transfer - no mess, no misses
• Molded from virgin-grade polypropylene, the Combo Core is suitable for collection soil core samples for PFAS analysis