【Adjustable Head Design】Terminal clamps feature a user-friendly, easy-to-tighten head, coupled with an anti-loosening screw design, improving upon common issues of terminal clamps being difficult to tighten or prone to detachment. They are compatible with a wide range of car and audio batteries, offering a versatile solution for battery connections. 【Outstanding Performance】Made from high 6061 electrical grade aluminum, higher strength and hardness,superior resistance to corrosion. 【Fitment】Compatible with 4/0 AWG lugs and down; Compatible with Standard SAE post style batteries; Compatible with Northstar AGM35, AGM34, AGM34/78, AGM65, AGM24, AGM24F, AGM27, AGM27F. 【Wide Application】The top post terminal block is designed to cater to a wide variety of vehicles, from common ones like cars, pickups, and motorcycles to larger units like caravans, RVs, buses, and trucks. (Confirm the tapered post size before using battery terminal. 【Package Included】A pair Flat Battery Terminal (positive and negative) (M8*4 Bolts, M6*4 Bolts, M8*2 Fastening Bolts). Details:
Material: 6061 Electrical Grade Aluminum
Size: 110mmx50mmx18mm
Application:
1. Car audio modification.
2. Installation of light bar.
3. External lighting.
4. Other external power/modified car products.
The above ratings are calculated and confirmed in real car audio applications.
Due to impedance, amplifier efficiency, alternator power and other reasons, each application is different and its performance may be different.

Precautions for installation:
1. Prevent the positive and negative electrodes from contacting during installation.
2. Turn off the electronic equipment before connecting/disconnecting.
3. Note: worn lead columns or battery manufacturers that do not meet SAE standards may need a gasket for proper clamping.
Please make sure it is tight enough.
5. Please take insulation measures after installing the positive terminal.