This 15 oz, Anti-Vibe Shinglers Hatchet With Blade is designed For Roofing Installers. The Blade Edge Is For Splitting Wood Shakes/Shingles & Includes A Nail Notch For Removing Old Nails. The Strike face Is Designed To Set Roofing Nails, While The Dowel Provides The User With A Gauge To Set The Reveal Of Each Shingle. The Cutting Blade Attached To The Hatchet Is Used To Trim Roofing Felt & Asphalt Shingles. Shingler Hammer