Key benefits Right fit for any job: includes 20 x 10A connectors and 20 x 20A connectors, giving you the correct size for common wiring tasks. Reliable conductivity and durability: thickened copper construction enhances conductivity and resists oxidation for longer service life. Fast, tool installation: no crimping tools or additional equipment required; install quickly with the included connectors. Broad compatibility: suitable for automotive, marine, and electrical systems; adaptable to a wide range of projects. What's included 20 x 10A connectors 20 x 20A connectors Material and construction copper construction with thickened copper to improve conductivity and prevent oxidation, supporting extended durability in challenging environments. Applications and use scenarios Automotive wiring upgrades: aging or unreliable connectors in engine compartments or dash wiring to improve reliability and electrical performance. Marine electrical installations: connect battery circuits, trolling motors, or accessory wiring with corrosion resistance suitable for exposed marine conditions. Electrical system projects: wire panels, RV or camper electrical setups, or home workshop circuits that require versatile, compatible connectors without additional tools.