Frost Cutlery Trapper Blue Abalone knives FCSW508ABL on sale now for $12.06. UPC code 026615850564. Closed: 3.75"; Blade: Stainless l Standard Edge l Mirror Polish Finish; Handle: Blue; Other Info: Nickel Silver Bolsters. Clip and spey blades with filework. Blue crushed abalone handles. Boxed.