Overall Length: 219 mm / 8.62″ Weight: 120 g / 4.23 oz Blade Length: 92 mm / 3.62″ Blade Thickness: 3.5 mm / 0.14″ Blade Material: 8Cr13MoV stainless steel Finish: Stonewash Handle Material: Black G10 front w/ 420 stainless steel liner & 420 stainless steel back Bearing / washer: Roller bearing washer Opening: (Manual) Flipper Locking: Frame lock The Ruike D191 features 8Cr13MoV blade steel with skid proof G10 front scale and stainless steel back. This lightweight knife also feature roller bearing for a smooth blade deployment at a budget folder price.