This Vaughan Straight Claw Ripping Hammer has a solid steel construction with a fully polished head, octagon neck and round face. It is forged from high-carbon steel. The hammer has a patented Shock-Blok plug in its head, using hickory and rubber to absorb shock. An exclusive air cushioned, slip-resistant grip provides comfortable use. Sizes 450g (16oz), 570g (20oz) and 800g (28oz). Made in the USA. The Vaughan R999ML Ripping Hammer has the following specifications Weight 570g (20 oz.) Handle length 355mm (14 inch) Face Milled.