Offset Long Cut Aviation Snip, Forged Blade, Forged Glide Tech Blades Provide Long Cutting Life With Sharpest Blades, Wide Blade Opening, 3" Length Of Cut & Optimal 40 Serrations Per Inch To Bottom Blade For Secure Grip Of Irregular Surface Materials Such As Ribbed Metal Roofing & Siding, Vinyl Siding Nail Lip, Cushion Grip Handles, Meets Or Exceeds All ANSI Requirements.