LIDO 3 Materials List:Knob - ABS plastic with silicone rubber cover, reverse thead steel shaft.Handle - Aluminum with Steel Hinge Bolt & SpringTop hopper plate - Aluminum with permanently lubricated Bronze BearingBean Hopper - Eastman Tritan ® Copolyester BPA-Free PlasticRing Burr Carrier, Retaining Ring, and Locking Ring - AluminumAdjustment Ring - Aluminum with Permanently Lubricated Bronze BearingCatch Jar - Stainless Steel double wall jarAxle Shaft - Stainless SteelLower Burr Carrier - Cast Stainless SteelGrinding Burr Set - Hardened Steel
