Vial Volume 2ml, Vial Size 12x33mm, 8mm diameter; Write-on Spot available; Compatible with most common HPLC/GC instruments; Part No; CRX2001-1001 2ml Clear vial, 8-425 screw top, graduated with writing area, 100/pk; CRX2001-1002 2ml Amber vial, 8-425 screw top, graduated with writing area, 100/pk; CRX2001-1003 2ml Clear vial, 8-425 screw top