These are the 4mm High Current Bullet Connectors from Castle Creations.
FEATURES: Gold plated
Fits wire diameter up to 4mm
Use 16 gauge to 13 gauge wires
Up to 75A current
INCLUDES: Three sets of bullet connectors
REQUIRES: Solder and soldering iron - HCAR0776 and STAR2000
SPECS: Length: .66" (17mm)
Diameter: .15" (4mm) inside (where the wire is soldered to)
Diameter: .19" (5mm) outside
