HPLC Vials Micro-Inserts, hplc vial inserts, insert vial. Suits for 10-425 Vials: 250uL Conical Micro-Insert, 31*5.7mm, Suits for 10-425 Vials: 250uL Micro-Insert with Mandrel Interior, & Polymer Feet, 29*5.7mm, Suits for 10-425 Vials: 250uL Conical Micro-Insert, 31*5.7mm, Suits for 10-425 Vials. Send Inquiry.