Tisch Scientific 150 µL Micro-Insert, 29 x 5 mm for 8-425 Vials, Mandrel Interior and Polymer Feet, 100 Pack, CV2041 Regular Price $34.82 Price $30.28 Add to Cart Tisch Scientific 250 µL Micro-Insert, 29 x 5.7 mm for 9 mm Vials, Mandrel Interior and Polymer Feet, 100 Pack, CV2042 Regular Price $27.92 Price $24.28 Add to Cart