Product Description: Attentions: The color of the item may vary slightly due to photography and your own computerAdvantages:1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed3. It is made of 304 Stainless Steel 4.It has high quality, Anti-rust and more durable5. Used for various engineering lifting machinery, metallurgical and mining equipment, port rail handling.6.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 7.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. Specification:Model:M5Material:304 Stainless steelStyle:Ring shape screwType:European styleRing inner diameter:13mm/0.51inchScrew diameter:23mm/0.91inchSize:34.7 x 23 x 4.83mm/1.37 x 0.9 x 0.19inch(L x W x H)Color:SilverWeight:25g Package include:2 x Ring Shape Screws