RAW Full Stainless Steel 2.5" GrinderThis RAW Stainless Steel Shredder is ~2x stronger than Aluminum and most importantly its less reactive with plant materials. So this RAW Stainless grinder is less likely to alter the flavour or your material which is KEY!!! Plus, because its SO much stronger it doesnt wear down like plastic or aluminum. The only downsides are that it costs a LOT more to make and its heavier. Our goal is always to make you the best of the best and offer choices so you