【Spec】
Voltage: 12 V
Terminals: 4
Intermittent Duty
Resistance：3.4Ω
Isolated Base
Work Current：50A
Inrush Current：60A
High Current Stud of Around 5/16 Inch
Low Current Stud of 0.19 Inch
Mounting Type ：Flat 180  
Contact Material ：Cooper
Body Shell Plating：Zinc Coating
Package Weight：0.66lb
Package Size：3*3*2.5 Inch
【Note】
You'd better often check the nuts because they may become loose over time.