The 179A is a one star straight tipped scalpel with a blade length of 1.5 and is made of Stainless SteelSpecs amp; FeaturesOne Piece HandleBladeQuality: , Surface Resistivity : Conductive, Shape: Straight, Material: SS, OAL: 6.5 (162.50mm), Tip Length: 1.5(37.5mm)