Specification:<br />Nut Size:	M8<br />Material: Zinc alloy<br />Total Size: Approx. 50x32x21mm<br />Quantity: 2Pcs(1x Positive + 1x Negative)<br />Inner Diameter 17mm + <br />Inner Diameter 16mm -<br />Suitable for batteries fitted to Cars， Vans， Boats an