Ninja Glass Rainbow 4-Part Metal Herb Grinder – 1½″

Small, stealthy, and smooth. This Ninja Glass rainbow-finish metal herb grinder keeps your prep quick and tidy with a compact 1½″ footprint and a reliable four-piece build.

Key Features & Specs

• Size & Material: 1½″ diameter (approx. 40 mm); durable zinc-alloy metal
• Build: 4-part design with grinding chamber, fine mesh kief screen, and catch tray
• Teeth & Grip: Diamond-style teeth and easy-twist rims for consistent results
• Included: Pollen/kief scraper
• Best For: Dry herb
• Finish: Iridescent rainbow with Ninja Glass logo lid
• Sold Individually: One grinder per order

Why You’ll Love It
The four-chamber layout grinds, sifts, and stores with zero fuss—saving potent kief for later while keeping everything neatly contained. Its sturdy metal body stands up to daily use, and the colorful finish adds personality to any kit without taking up pocket space.

Pro Tips for Best Use

• Brush out residue after each session to keep the teeth turning smoothly.
• For a deeper clean, use a dedicated solution from our Cleaners collection; rinse and dry thoroughly.

Intended for legal use by adults 21+. Keep out of reach of children.

Add this compact, rainbow Ninja grinder to your cart today and enjoy fast, discreet U.S. shipping.