Free sample 0.3ml vial insert for hplc vials Athena Vial Micro-Insert, Size: 250ul, Rs 800 /pack Athena Vial Inserts Micro-Insert 0.3mL Amber Screw Vial Integrated w/Micro-Insert, w/Write-on Spot,Base Bonded, 11.6*32mm 1)9mm screw vials can be used on all common autosampler. 2)Standard narrow neck design for GC and HPLC. 3)9mm wider opening for easy puncture. 4)Clear, type 1 class A borosilicate glass