Vking Stainless Steel Professional Puer Tea Knife for Prying Tea Cakes Tea Brick Tea Accessory Thickening Needle Insert Handmade Puer Tea Knife Tea Tools Home Gift Used for breaking up puer tea cakes or bricks. Origin: China,This knife is strong enough to pry out tea leaves. Thickening Needle Insert Handmade Puer Tea Tools ;it's durable shiny mirror finish Professional Puer Tea Knife for Prying Tea Cakes/ Tea Brick Tea Accessory Size:5.9inches.