Micro-inserts, 100 pcs/packVariant Capacity in ml Type Diameter in mm Length in mm 0. 1 ml with spring 0. 1 ml spring 5 mm 29 mm 0. 15 ml with conical tip 0. 15 ml conical tip 5 mm 31 mm 0. 2 ml with flat base 0. 2 ml flat base 5 mm 31 mm 0. 25 ml with spring 0. 25 ml spring 6 mm 29 mm 0. 3 ml with conical tip 0. 3 ml conical tip 6 mm 31 mm 0. 35 ml with flat base 0. 35 ml flat base 6 mm 31 mm 0. 3 ml plastic 0. 3 flat base 6 mm 29 mm