OH STEEL ENGINEERING HAMMER W/WOODEN HANDLE. Description OH STEEL ENGINEERING HAMMER W/WOODEN HANDLE. ~1/4P、1/2P、1P、1-1/2P、2P、2-1/2P、3P。 OH STEEL ENGINEERING HAMMER W/WOODEN HANDLE. ~3P、4P、5P、6P、8P、10P、12P