1.WIDE JAW OPENING: -Big Size, 180 degree 15mm wide jaw opening made with premium stainless steel is suitable for thick nails. 2.VERY SHARP-they sharp. They do a great job without leaving any rough edges. They open very wide so its easy to get large thick nails in and its easy to see what you are doing. 3.DURABLE:-specialized design for ergonomic use, surgical grade stainless steel and solid construction means it will last forever. 4.CURVED BLADES: -Strong & sharp blades with double curved edges for trimming fingernails with precision, Works great especially at hard nails for man, elderly, or pets. 5.They definitely are very sturdy and hard to bend or scratch unless you're really trying to broke them. They cut so smoothly, like butter, no matter how thick the nail plate is on someone