Quick Cable Flag Connector is made of die-cast copper alloy, tin-plated for solid conductivity and corrosion resistance. It has the gauge and polarity indelibly stamped on the clamp.

25 TIMES BETTER THAN SAE CONDUCTIVITY STANDARD, J1811, MADE OF CAST COPPER ALLOY, TIN PLATED FOR ADDED CONDUCTIVITY & CORROSION RESISTANCE, PERMANENT, INDELIBLE, READABLE GAUGE, AND POLARITY STAMPED ON CLAMP, PRECISE DIMENSIONS TO FIT BATTERY POSTS FOR MAXIMUM CONTACT MADE IN USA, QUICK CONNECTORS ARE LISTED BY UL® (UL® STD 486A) & CUL , WHEN APPLIED WITH QUICK CABLE QUICK CRIMP TOOLS 4255, 4255M, 4255R & 4255MR (STANDARD AND RATCHET VERSIONS)