Optional Base just only is for 'the Force Tamper', These bases can be replaced, and different bases can be selected according to their own coffee machine equipment model and personal preferences. Different bases have different application conditions and taste orientations Normal Base: FLAT,C-FLAT,RIPPLE,C-RIPPLE,EU-RIPPLE,US-RIPPLE,EU-CURVE,US-CURVE,WAFFLE Distributor Base:d-FLAT,d-RIPPLE,dC-FLAT,dC-RIPPLE The Base body is made by food grade stainless Shape and Size could be customized if the quantity large than 120 pcs The Force Tamper is an adjustable const pressure punch tamper with auto leveling. Different from conventional tampers, this tamper generates punch by itself with certain preset pressure instead of manual static force. The generated pressure will be same each time independence to how the operation is done. It also equipments with an auto leveling plate that will assistant to keep parallel of the tamping procedure and assistant distribution by spinning the handler. The benefit of the structure includes less stamina consumed and improved particles rearrangement and more tight. The tamper header and the handler can be exchanged by user easily for different requirement. The body is made by food grade stainless. And the handler is made by wood or other suitable material for good handling and personally choice. The inspiration of this product is not only make the most confusion parts in powder filling and tamping procedure controllable but also make the job easy and relax. Liberate the baristas from both mental and labor expenditure and reduce occupational disease. Makes every cup of coffee perfect and sure.