Hibben Pro Thrower Combo. Generation 2. Includes two throwing knives which are 8 1/4 overall and have 3 3/4" blade with is 3/16" thick. Sheath holds them both. Designed by Gil Hibben, these Generation 2 Pro Thrower knives are updated versions of the original Pro Thrower. They have the same great features as above but feature a trigger grip handle design. Leather belt sheath."