PACKAGE CONTENTS - 10 PCS. of Marine Grade Tinned Copper 2 Gauge (AWG) 5/16" Ring Battery Terminal Connectors / Lugs. 100% annealed tinned copper, providing a high degree of conductivity for maximum current flow when used as battery terminals. | DURABILITY - Approved by OEMs, our Tinned Copper wire ring connectors are corrosion free; ideal for marine, automotive or outdoor use; salt spray tested to ASTMB117 standard. Special matte tin plating make these lugs as easy to Solder as it is to Crimp. | WIDE APPLICATIONS - Selterm tinned copper lugs wire connectors have a close end pad design, keeping electrical components, battery and wire cables safe and act as waterproof wire connectors which prevents solder from leaking during installation of lugs or while using as a heat shrink wire connectors for your battery in Marine, Golf Carts, RV's, Automotive and other outdoor equipment. | PERFECT FIT - Selterm provides freedom to choose from wide range of wire sizes, stud sizes, and pack quantities from 2 - 25 pcs. best suitable for all requirements and applications as a battery connectors. Superior material quality of tinned copper terminals lugs can be crimped or soldered. Use with a compatible copper cable; Audio wire may not be a direct fit. Recommend to check product dimensions to ensure a proper fit of the connectors. | HEAVY DUTY WIRE LUGS - Our ring terminal connectors are tested to meet S.A.E conductivity standards J163 & J1811; UL listed to U.S. & Canadian safety standards and rated to 600V+ when properly installed; RoHS & REACH compliant; These Battery Wire Connectors are listed under UL File Number E254830.