Specification: --high quality manufacturing: The 4 layers are made of zinc alloy, strong and . --Grinding handle design makes grinding easier. --Small size, easy to put in your pocket. --Magnetic top case, Razor-sharp diamond-shaped teeth, Steel micro-mesh sieve to filter pollen --Safe and reliable: It is professionally manufactured, with strict quality control, long service life --Dimensions: 40 x 43 mm Description: Name: Hand Muller Dimensions: 40 x 43 mm Material: high-grade zinc alloy Packing list: 1 x Hand Muller Note: Different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you.