Features: Adjustable sink grinder, universal for 99% sink Thickened plastic board, firm and non-slip, convenient for drainage Quickly sharpen the knife, save worry and effort Easy to clean, non-slip, quick sharpening, anti-rust, simple operation, wide application Selected PU material, good toughness, no deformation, no bending, durable Specifications: Material: Plastic + Zinc Color: Green, Blue, Gray Size: As shown (1in=2.54cm) Packing List: 1 * Sharpening Stone Holder Bridge Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement. Sharpening stone not included.