Viper Turn Lockback Copper DM. 25" (10.8cm) closed. 3.25" (8.26cm) black PVD coated Bohler M390 stainless clip point blade. Dark matter copper carbon fiber handle. Titanium bolster(s). Thumb stud. Lanyard hole. Pocket clip. Boxed. Specifications for Viper Turn Lockback Copper DM: Manufacturer: Viper Blade Length: 8.3 in 3.25 in Closed Length: 108 mm 4.25 in Package Contents: Viper Turn Lockback Copper DM