LINEMAN'S MILLED-FACE HAMMER KLEIN One milled face for driving staples used in pole-line work and common, unhardened nails. Other face is smooth for driving heavier duty hardware. Rugged and well-balanced, with the weight to drive lag bolts. Forged, tempered-steel head is only 3-3/4-lnches (95 mm) long for use in tight areas. Head Weight: 36 oz., Overall Length: 14", Weight: 2.5 lbs.