135 Split Point with a bright finish Heavy duty web for strength and durability Made of cobalt HSS for use in tough metals Fractional left-hand 7/64" Mechanics length HSS Additional information below is provided to help you choose the right drill bit for your requirements:Point Types: 118 Point for general usage 135 Split point for drilling tougher, harder materials - less tendency to "walk" JET POINT (Turbomax) is specially ground to stay sharp longer and drill fasterMaterial Types: High Speed Steel (HSS) - General purpose and recommended for most drilling applications Cobalt HSS - Recommended for drilling through alloys, stainless steel, etc. Titanium Nitride (TiN) Coated HSS - Reduces friction -very wear resistant, and is ideal for production work and repetitive drilling