Tiger USA Butterfly Knife Trainer Black Satin. 8.85 inch overall length Vibrant matte finish on hilt - Solid 440 stainless steel. Solid 440 stainless steel training "blade" - 4mm thick 440 stainless mirror shine bolts, latch and pivot pins Perfect for youths or practicing butterfly knife tricks. 4 inch blade length 4.85 inch handle length - 1/2 inch thick handle Weighs 6 ounces