These are the 3.5mm Gold Plated Connectors from Reedy. FEATURES: Gold plated INCLUDES: Ten male bullet connectors REQUIRES: Solder and soldering iron - HCAR0776 and STAR2000 SPECS: Length: 0.48" (12.3mm) Diameter: 0.14" (3.5mm) cnh 11/8/08 ir/jxs