SKC Inc SKC Tube Breaker
All-in-One SKC Tube Breaker opens glass sorbent tubes cleanly and safely. Stainless steel, can be used with 6,7,8, and 10-mm OD tubes. Heavy-duty cap rotates to expose the desired size opener and to retain glass tips to be discarded. DOES NOT ship to Alaska, Arizona, California, Colorado, Hawaii, Idaho, Nevada, Oregon, Utah, Washington. Wyoming”