2Pack PL2303 PL2303HX USB to TTL Serial Adapter 3.3V Debug Cable, USB to RS232 TTL Converter 4 Pin Female Socket for Ar duino Download Cable (PL2303HX Cable) sold2026 Includes 4 RCA Plugs Plug 99 inches 203mm 2M Includes 4 RCA Plugs Plug Into The Aftermarket Radio's Pre Amp Outputs Provides Power And 4 Speakers Heat Resistant For Lasting A Lifetime No Cutting Of Factory Wiring Needed 1 2" Carbide end mill 3 8" Carbide end mill 5 16 " Carbide end mill 1 4" Carbide end mill 1 8" Carbide end mill Diamater 1 2" 3 8" 5 16 " 1 4" 1 8" Flute Length 1" 1" 13 16" 3 4" 3 8" Full Length 3" 2 1 2" 2 1 2" 2 1 2" 1 1 2" Shank Diamater 1 2" 3 8" 5 16 " 1 8" 3 16" Flutes 4 4 4 4 4 HRC 55 degree 55 degree 55 degree 55 degree 55 degree Material Carbide Carbide Carbide Carbide Carbide programming Upgrading Legacy Peripherals to USB Interface Microcontroller UART or I O