Bel-Art Plastic Extended Handle Pestle; Conical Tip， 8¼ in. (Pack of 6) (F19921-0001)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Polypropylene tissue grinder efficiently homogenizes tissue and cells in microcentrifuge tubes， centrifuge and grinding tubes</li><li>The cone tip tapers from 8.2mm (0.33") down to 2.9mm (0.12") in a length of 19.8mm (0.78") and has a rounded end</li><li>21cm (8-1/4") long overall with a 4.7mm (3/16") diameter shaft</li><li>Steam autoclavable at 121 degree C (250 degree F)</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41lfBpkHmzL.jpg' noproxy></br>