Made of carefully selected reliable copper, iron and steel materials, this battery terminal and terminals kit has long-term durability and excellent performance, which can serve you well. Good craftsmanship and reasonable design make it provide you with a . Perfect for crimping battery-cables, auto and marine projects. Features - Color: Assorted. - Material: Steel, iron, copper. - Size: About 10.00X5.00X5.00cm/3.93X1.97X1.97in. - Ring Terminal Specification: AWG8*5/16,AWG6*5/16,AWG6*3/8,AWG4*5/16,AWG4*3/8 . - Heat shrink tube Type: 12MM, 14MM. -Crimping Range: connect wire gauges: 8 AWG, 6 AWG, 4 AWG, 2 AWG, 1 AWG, 1/0 AWG, 2/0 AWG, 3/0 AWG and 4/0 AWG. - Suitable for RV battery cable terminals, marine wire terminals, audio modified cable terminals. - Perfect for welding cables, crimping battery cables and other wire crimps for your car or marine projects. - Convenient and portable, instead of using a hydraulic press to complete the crimping of cable terminal equipment. - Terminal connectors are mainly suitable for connecting batteries and battery cables to help you have better work efficiency. - High precision with strong working efficiency, help you use less effort when crimping. This tool has wide application in automotive works. Package list: 1 x Hammer Lug 20 x Crimp Terminals 20 x Heat Shrink Tubes