Knob - Silicone Sleeve over ABS body with reverse thread steel shaft.Handle - Die Cast AluminumTop hopper plate - Aluminum with permanently lubricated Bronze BearingsBean Hopper - Eastman Tritan ® Copolyester BPA-Free PlasticRing Burr Carrier and Retaining Ring - AluminumLocking Ring - AluminumAdjustment Ring - Aluminum with Permanently Lubricated Bronze Bearing installedCatch Jar - RTP Permastat Anti-Static ABS PlasticAxle Shaft - Stainless SteelLower Burr Carrier - Cast Stainless SteelGrinding Burr Set - Hardened SteelAll metal body parts are Matte BLACK EPD coated over aluminum.
