Details Products name Micro-Inserts Insert type Conical Bottom, Flat Bottom, Mandrel Interior & Polymer Feet Material Glass for Insert, Polymer for feet Suitable 8-425, 9mm, 10-425, 11mm snap vials Dimension 29*5mm,31*5mm/29*5.7mm,31*5.7mm Capacity 150-250uL Package 100pcs/Pack Description Micro-Inserts from aijiren Technology, Inc with high quality and favorable price.