20 mL Crimp Top Vial with Write-on Patch and Fill Lines (1000/pack). Our vials are manufactured to specific tolerances that are guaranteed to fit and Crimp Top 11mm Clear Glass 0.3mL HPLC Autosampler Vials w. 0.3mL Clear, ND11, Crimp Neck Vial, with Write-on Spot, Integrated with 0.3mL HPLC Autosampler Vials w/ Micro-Insert & Writing Patch