alibaba No.1 selling concave herb grinder 3 layer zinc alloy concave herb grinder

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alibaba No.1 selling concave herb grinder 3 layer zinc alloy concave herb grinder

Specifications of concave hern grinder 

Aircraft Grade Aluminum

using the newest CNC machining technology , ensure strength and durability

Anodized for smooth finish

ensure that the grinding action is unbeatably smooth and frictionless no smudge marks 

Razor sharp diamond cutting blades

pulverise bumper loads of herbs quickly and efficiently

Crush bpth herbs and pollen by removing the screw-in screen component 

28 top teeth 18 bottom teeth give complete control over the degree of crushing. 

Aircraft grade aluminum keep your grinder tough enough no matter what you put it through 

Powerful earth magnets ensure grinding lids together when working