1. Material: zinc Alloy
2. Wiring hole: 1X0/4GA IN-3X0/4GA OUT
3. Comes with a conversion sleeve, which can be removed to fit 0GA- 4GA
4. Polycarbonate plastic shell, high temperature resistant, not easy to break, and higher safety
5. Size: 73.5x55.3x33.6
6. Weight: 171g