[Material]:The barbell spinlock collars are made of high quality iron material, chrome plated, durable and corrosion resistant and can be used for a long time.[Size]: The anti-slip collar of the barbell is suitable for 25mm standard barbells or dumbbells. Please check the size before purchasing.[ANTI-SLIP DESIGN] - The barbell clamp is equipped with a non-slip rubber ring, ensuring it can be securely and securely attached to the barbell or barbell bar.[Package Content]: 4 Pcs x Dumbbell Spinlock CollarsApplication: Perfect for use with bumper plates and lifting platforms. Also a practical and perfect gift for fitness lovers.Produktbeschreibung Specification: Material: iron with chrome-plated material Size: 1 inch / 25 mm. Colour: silver. Package includes: 4 x dumbbell spinlock collars. Please note: due to manual measurement, there may be a 0-2 mm error. The colours shown in the picture may not fully match the actual object due to the recording method and display device. Please make sure you do not mind before you buy, thank you Guaranteed: We are committed to providing you with the best service.If you encounter any problem during your usage experience, please contact us without hesitation. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''''''''''''''''''''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!