Made of Kimax-51 glass, tempered tips, easy to read boldface markings. The entire pipet is 15" long. The Kimble 37000-5 KIMAX Class B 5mL Volumetric Pipets with White Color Band are the most commonly used volumetric pipet in general laboratory work. Designed from ASTM Specification E969, Class B requirements. Manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements. Unused. Price is for an unopened box of 18.