Description: All tips are made from clear virgin polypropylene which is chemically resistant Universal design to fit most common pipettes, worry-free from the size problem Perfect airtight seal ensures there would be no leak Well designed with 15 sockets which are used to hold centifuge tues with exceptional accuracy and precision Perfect tip geometry ensures you top pipetting performance in the lab Specification: Material: polypropylene Overall Size ( L x W x H ): approx. 12.4cm x 8.5cm x 16.5cm / 4.88 x 3.34 x 6.5 Inch Socket Amount: 15 Color: as shown in display pictures Package Includes: 1 Piece Pipette Pipettor Tip Box