Windowed 4-Part Metal Herb Grinder – 2½″ Hemper This design improves vaporization efficiency

This design improves vaporization efficiency at lower temperatures

A built-in glass screen means you don't need disposable metal screens

perform a calibration with a 100g weight

fun design makes it a perfect novelty gift

Windowed 4-Part Metal Herb Grinder – 2½″ Hemper This design improves vaporization efficiencyUpgrade your dry herb prep with the Window 4 Part Metal Herb Grinder. The larger 2 size gives it a sturdy hand feel, while the window design adds a useful visual detail that stands out from standard solid top grinders. Key Features & Specs: Diameter: 2 63 mm Approximate weight: 195 g 4 part metal herb grinder Zinc alloy construction Window design for added visibility and style Multi chamber layout for grinding and collecting finer material Colors may