Makes replacing composition shingles easier and accurate. Also helps prevent damage to existing shingles. Features: * For roofers, plumbers, and siders * Helps you align roofing nails with the proper 1-inch offset from the bottom edge of your existing course * Replace 3-tab shingles without damaging the shingles on the row above * Claw for removing nails from roof shingles * Drive the claw end under the nail, and roll the nail out by twisting the Roof Snake * Weight: 1.1 pound What"s In The Box: * PacTool International RS501 Roof Snake