Robuta

https://www.sigmaaldrich.com/US/en/product/aldrich/gf70124442
Zirconium rod, 1000mm, diameter 6.0mm, centerless ground, 99.2%; CAS Number: 7440-67-7; Synonyms: Zirconium,ZR007924 at Sigma-Aldrich
centerless groundzirconiumroddiameter