Hign-concerned Chemical: None Model Number: Y258043-40MM Type:Coffee Grinder Parts Coffee Grinder Compatibility: Specifically designed for coffee bean grinders, a for effective grinding. Dual - piece Design: Comprises an upper and a lower disk, working in to grind coffee beans precisely. 40MM Diameter: The 40MM diameter is tailored to meet the demands of coffee bean grinding. Sturdy Metal Build: Crafted from metal, these blades can endure the rigors of continuous coffee bean grinding. Easy Installation: Comes with all - needed elements for a straightforward installation in coffee grinders. Part Name: 40MM Diameter Grinding Blade Set Product Name: Upper and Lower Blades for Coffee Bean Grinders Number of Pieces: 2 (upper and lower blades) Size: 40MM diameter High Universality Fitment: For coffee bean grinders Fitments: For coffee bean grinders Color: Silver Material: Metal Package Contents: 1 x 40MM Diameter Grinding Blade Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.