THE DETAILED DESCRIPTION:Size/Item No.11mm13mmScrew-in00145B00147BPush-in00146B00148BREMARKS:1. OEM and ODM is welcome;2. Package can be customized;3. A certain number of free sample by freight collect is available;4. Various items for your option to fit your glasses.Below are some hot -sell items for your reference:IF YOU WANT TO KNOW MORE ABOUT US, WELCOME TO CONTACT.Contact person: Miss ZoeTel:+0086-0512-36687362Fax:+0086-0512-36685841Website:hmcoptical.en.made-in-china.com