ZHY Clamp and Screws Screws with high quality ,reasonable price , ZHY Clamp and Screws .Here are some detail specifications:M2.5 M3 M3.5 M4 .M5Before you send us an inquiry, please assure the detail specifications, so that we can make the detail quotation, also we can make special parts. Thank you!If you have any need , please contact us at any time! ZHY Clamp and Screws