ONewly redesigned OSE 12mm S Anti Spark Connector System. (1) Pair, includes one Male and one Female.This is first ever connector we have sold that was worthy of coming in its own box with a screwdriver to remove the end cap!To anyone that's ever powered up an 8s or higher power system knows the dreaded spark that scares us all to death and at the same time ruins the connector. This gold-plated bullet connector has a anti-spark housing that will reduce this spark to almost nothing. These are a must for high current/high voltage brushless power systems. These are giant, they are for large-scale models, E-Bikes, Jet driven Body Boards, and Electric Scooters.Includes: 12mm Male and female connector and four, 2mm gold pins that can be used for accessories. Specs: Measurements: Max voltage: 500v DC Max continuous amps: 250A Max burst amps: 320A Diameter: 12.00mm Metal Material: Gold Plated Brass Plastic Material: Nylon with fiber. Flame retardant rating: UL94 V0 Temperature Range: -30C to +100C Weight: 265G (9.3oz) per set. Max Wire: 10mm diameter (4awg)