All ProductsHarwinHardware, Fastners, EnclosuresHardware, Fasteners, Accessories HARWIN Hardware, Fastners, EnclosuresHardware, Fasteners, AccessoriesBoard Spacers, Standoffs R30-1003002 HEX STANDOFF THREADED M3X0.5 BRASS 1.181" (30.00MM) MFR. Name: Harwin R30-3000502 HEX STANDOFF THREADED M3X0.5 BRASS 0.197" (5.00MM) MFR. Name: Harwin R40-1002002 HEX STANDOFF THREADED M4X0.7 BRASS 0.787" (20.00MM) MFR. Name: Harwin R40-6001002 ROUND SPACER UNTHREADED M4 BRASS 0.394" (10.00MM) MFR. Name: Harwin