Converts side terminal battery to a post battery. Constructed of magnesium-aluminum alloy. One positive and one negative per card. Can be used with top post, side post, truck, and marine battery terminals. No. 922: Material: Magnesium/Aluminum Alloy, Pkg Qty: 2, Package Type: Card Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!