This auction is for a BOX of TWENTY (20) NEW UNBRAKO M12 x 1.75 SOCKET HEAD CAP SCREWS (METRIC) with 5/8" Allen Drive (Hex Drive) and Grade 12.9 Threads and for additional info. on the advantages to Unbrako Socket Cap Screws see product link below ~ please feel free to email your questions or requests for more information.

http://www.unbrako.com/advantages.htm