Overviews: The grinder is made of zinc alloy. Lightweight and scratch-resistant. 2.4Inch designed with 4 pcs and 3 chambers, it is larger than other grinders, It can hold enough once a time. the magnetized lid is made of neodymium magnets which provided a powerful bond 100% brand new and high quality. After grinding, Tobacco has a more fragrant smell, improves tobacco quality, the taste is more prominent, and burning more smoothly The grinder's mouth is tightly closed, grinding is more convenient and efficient. The bottom receive box receives the grinding powder through an opaque steel filter. The thin corrugated o-ring design prevents slipperily. Lightweight design, easy to carry, and clean Features newly developed windmill-style teeth which provide more grinding efficiency than traditional teeth. Durable ring included designed for an easy and fast grinding experience Product Information: Is it one-time? Material: metal Product name: smoke grinder Product material: zinc alloy Product packaging: single kraft paper box Specification: height 66mm 63mm in diameter Weight: 356g Packing List: Metal cigarette breaker x1