MIDWEST MagSnips Replaceable Blade Snip - Straight Cut Regular Sheet Material Cutting Shears with All Purpose Blades & Magnesium Handles - MWT-1200 3.5" CUT LENGTH - Requires fewer cutting strokes leaving a smooth finished edge OPTIMIZED POWER RANGE - Complete cuts before handles bottom out for most efficient conversion of hand force to cutting power REPLACEABLE BLADES - Blades are easily replaced using blade kit MW-M1200R STRAIGHT REGULAR CUT - Cuts straight and wide curves to the left and right. Use in either hand VERSITILE - Cuts aluminum and vinyl siding, roofing materials, metal flashing, linoleum, vinyl, rubber, canvas, cardboard, screening. 3.5-Inch (88.9mm) Length Of Cut requires fewer cutting strokes leaving a smooth finished edge. Optimized Power Range completes cut before handles bottom out for most efficient conversion of hand force to cutting power. Blades are easily replaced using blade kit MW-M1200R. Cuts straight and wide curves. Use in either hand. Cuts aluminum and vinyl siding, roofing materials, metal flashing, linoleum, vinyl, rubber, canvas, cardboard, screening.