We need your aluminum knurled thumb screws for our to frames. Our quantity is millions and continually. Please respond and well send you exact sizes. Please respond as soon as possible Myis: ash.shirak. Please call and well talk by typing without vra. Best regards, Ash Inventors Support Center 1215 E. Colorado St, Suite # 202 B, Glendale, CA, 91205 USA18) 242 9 E-mail: ****ash.shirak