Spring-Coil Filtration The surrounding coil spring retains ice fragments, fruit pulp and other solids during pouring. Spring tension and coil consistency are key quality-control points for maintaining reliable filtration and stable shaker fit across repeat production.
Copper Electroplated Finish The copper-colored finish is applied by electroplating over the stainless steel base. Plating adhesion, color consistency and surface preparation are controlled to reduce peeling, uneven tone and visible defects across production batches.
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