4004-050P 4 GA Crimpable Positive Straight Clamp Battery Connector (50 PCS) - Quick Connectors are the only battery connectors that exceed SAE standard, are UL listed and are made in North America. xa0Made of cast copper and tin plated for added conductivity and corrosion resistance, these connectors have 25 times better conductivity than the SAE standards J163 and J1811 require. Each clamp is permanently and indelibly marked with readable gauge and polarity. Made of cast copper alloy, tin plated for added conductivity and corrosion resistance,25 times better than SAE conductivity standard, J1811,Permanent, indelible, readable gauge, and polarity stamped on clamp,Quick Connectors are listed by UL (UL STD 486A) and CUL - When applied with Quick Cable Quick Crimp tools 4255, 4255M, 4255R and 4255MR (standard and ratchet versions),When applied with Quick Cable Quick Crimp tools 4255, 4255M, 4255R and 4255MR (standard and ratchet versions),Fasteners included,Kits are available
