Tungsten Carbide Lexer scissors can be used in multiple procedures and settings. They have a standard beveled blade. Depending on physician preference, both the straight and the curved version may be used interchangeably, but the curved version is typically used for cutting surface tissue or sutures. SMS Tungsten Carbide Scissors provide an exceptionally durable and hard cutting edge. These scissors are designed to stay sharp for a significantly longer period of time than standard scissors. They can be identified by two gold coated finger rings. The product is curved with smooth, blunt / blunt tips.