Vial Volume 2ml, Vial Size 12x33mm, 9mm diameter Wide opening prevents syringe problem Write-on Spot available Compatible with most common HPLC/GC instruments Part No Description CRX2000-1001 2ml Clear vial, 9-425 screw top, write-on spot, 100/pk CRX2000-1002 2ml Amber vial, 9-425 screw top, write-on spot, 100/pk