Designed for use with 3 wire Brushless motor systems, this is the 4mm Gold Bullet Connector Male from Great Planes. FEATURES: Gold plated INCLUDES: Three male bullet connectors REQUIRES: Solder and soldering iron - HCAR0776 and STAR2000 SPECS: Length: .83" (21mm) Diameter: .16" (4mm) outside COMMENTS: For the 4mm female connector order GPMM3115 kpm03/16/2005 ir/jxs updt jxs 6/17/05