300uL Micro-Insert, 31*6mm Clear, Flat Bottom, Suits for 11mm Crimp-Top Vials: 250uL Conical Micro-Insert, 31*5.7mm, Suits for 11mm Crimp-Top Vials: 250uL Micro-Insert with Mandrel Interior, & Polymer Feet, 29*5.7mm, Suits for 11mm Crimp-Top Vials: 0.3mL Clear PP Crimp-Top Micro-Vial, 11.6*32mm