Crescent Wiss M3R Aviation Snip, Straight, 9 1 4 in Overall Lg, 1 1 2 in Cutting Lg, Steel, Plastic 20JK35 3 Hours Fire Rating 3 Hours Fire Rating For Non Potable Water Straight Material Application Metal Blade Material Steel Grip Material Plastic Handle Style Contoured Handle Material Steel Snip Type Aviation Snips Spring Assist Handle Yes Cutting Edge Type Serrated Cutting Capacity 18 ga (Low Carbon and Rolled Steel) Grip Type Ergonomic Non Sparking No Cuts Material Types Low Carbon Rolled Steel Country of Origin United States Overall Length 9 1 4 in Cutting Length 1 1 2 in Length 9 1 4 in Maximum Sheet Thickness 18 ga Blade Length 1