Craftsman NEXTEC 12.0 Volt Hammerhead Auto Hammer with Rotating Head for $49.99.  Here is a screenshot for your reference.  It provide 0 degree, 90 degree and 45 degree angle for hammering in nails and features 12.0 volt lithium-ion battery, magnetic sleeve holds the nails in place, LED light bulbs, and green, yellow or red LED lights [...]