Mini Hand Manual Coffee Bean Grinder, Heavy Duty Stainless Steel Adjustable for Coarse to Fine Stainless steel coffee bean grinder, turn stainless steel knob on side to adjust the grinding degree from coarse to fine to meet your requirement (Attention:If spring is too close ,maybe coffee powder will get stuck) Heavy-duty, all stainless steel construction and rust free coffee grinder, easy to clean,This is good quality hand powered coffee grinder Wide opening on clamp allows mounting on almost any countertop or table, allow the Max thickless of countertop is 1.6inch Cleaning is easy compared to other more complicated choices and dis-assembly/re-assembly of this coffee grinder is a breeze! Attention: This is small size coffee bean grinder,please check if it fit you before purchase.