These are the Hitec Unassembled Male S Connectors. FEATURES: Compatible with Futaba J systems Allows modelers to custom make their own extensions, servo leads, battery leads and more No soldering required INCLUDES: 3 sockets and 1 unassembled male shell REQUIRES: Servo wire (HRCM3001) Wire crimping tool tlw 8/31/07 ir/jxs