29*5.7mm Conical Bottom Micro Vial Suit for 0-425 Vial. 300uL Micro-Insert, 3*6mm Clear, Flat Bottom, Suits for 0-425 Vials: 250uL Conical Micro-Insert, 3*5.7mm, Suits for 0-425 Vials: 250uL Micro-Insert with Mandrel Interior & Polymer Feet, 29*5.7mm, Suits for 0-425 Vials. Get Price.