50 * 50mm Borosilicate glass (pyrex) Back Catalog number: 8644AB-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8703A-50 50ml Automatic burette Price on request A106-20 Micro Spatula. 316L stainless steel Price on request 8644T-50 50 * 50mm PTFE (Teflon) Price on request