EXCELLENT PERFORMANCE BLADES: The blades of this metal snips for cutting metal sheeet feature a serrated design with tightly fitting blades that effectively prevent slippage and deflection when cutting items. The blades are sharp, making the metal cutting scissors easy to straight cut items with precision even in tight spaces, providing clean cutting edges and marks. PROFESSIONAL LABOR-SAVING DESIGN: The handles of this sheet metal snips are made of high-quality TPR material, which can be gripped comfortably for a long time and effectively anti-slip, so that you can easily and smoothly operate the heavy duty tin snips at any time. The automatic rebound spring design can save 30 force and greatly reduce hand fatigue. SUPERIOR CRAFTSMANSHIP: This straight cut tin snips are forged from strong and durable stainless steel. The metal cutter scissors has the advantages of HRC55 hardness and corrosion resistance. Excellent craftsmanship ensures blade edge life and durability. The aviation scissors will be your long-lasting and reliable tool. SAFETY LOCK: For added safety, this tin cutting shears feature a secure locking clasp to keep the blades safely locked when not in use. This prevents accidental injuries, protects the blades from damage, and helps save storage space. MULTI-PURPOSE USE: This versatile metal shears are perfect for cutting thin copper sheets, aluminum sheet, plastic, thick cardboard, tree branches, fishing nets, chicken wire, electrical wires, and even metal credit cards. Whether you're working on home DIY projects, yard gardening, interior decorating, car repairs, or construction, this tin snip are an indispensable tool for any toolkit. Not suitable for high hardness metal sheets over 1mm