[Compatible Models] This three-ear portable filter 51mm is suitable for Gevi, Wirsh, CASABREWS, Yabano, Hamilton Beach, Mr. Coffee and other 51mm portable filters. The thickness of the 3 ears is 3.88-4mm. [Repair Channel] The bottomless design allows observation of the flow column, flow rate, color, and flow column stripes to identify defects and errors before extraction, helping to better judge extraction uniformity. [Smooth Walnut Handle] Features an ergonomic design with a solid wood handle for comfortable grip and stable operation. [Food Grade Stainless Steel] This bottomless filter is made of food-grade stainless steel, which is environmentally friendly, non-toxic, hygienic, safe, and offers excellent oxidation resistance, corrosion resistance, rust resistance, and durability. Material: Stainless Steel. Color: As shown. Package Contents: 1 x Coffee Machine Handle. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allowance is +/- 1-3cm.