One-piece, unbreakable polyethylene plastic pipettes are well-suited for blood banking (2 mL size), urinalysis, hematology, wet chemistry, microbiology, and serology. Now larger volume (1, 2, and 3 mL) pipettes available in non-sterile bulk and sterile individual wrap and 20 wrap versions. Lot-to-lot traceability on sterile versions of the transfer pipettes. Bulk packed versions come in handy dispenser box All pack of 500.