Cold Steel 5 1/2 Inches Paradox model has an appealing and impressive handle. The aluminum framed handle comes with many pores and can be described as a type of Butterfly knives. Paradox is an authorized version of the Butterfly variety that has been introduced in the market by Cold Steel. Traditional butterfly knives are also known as Balisong. The double handles of the model are well adjusted with pair of coiled spring. These springs are fitted so that they can be revolved around 180 degree angles. The 5 and half inches special blade is made from the popular Japanese variant of AUS 8A stainless steel.