FINCH TOOLS High Speed Steel ( HSS) , Three Flat Shank Gold Oxide Finish Type, Fully Ground, Duel Twist Flute, 135 Degree Split point Jobber Length With Storage Case 1/16”- 1/2” x 6 4ths * DRILLING PERFORMANCE : Upgrade your drilling performance and complete your toolkit with this premium 29-piece M35 cobalt drill bit set, engineered for strength, Precision, and long-lasting durability. Made with 5% cobalt high-speed steel, these drill bits are specifically designed to handle tough materials like stainless steel, cast iron, And hardened metals without losing their edge. * MATERIAL CONSTRUCTION : The advanced heat-resistant construction allows the drill bits to perform under high temperatures, reducing wear and extending tool life Even during heavy-duty applications, each drill bit features a 135° split point tip, ensuring fast penetration, reduced walking, and accurate drilling from the very first contact. * WIDE RANGE OF APPLICATION : Whether you are a Machinist, Professional tradesperson or a DIY enthusiast, this versatile set delivers consistent results across a wide Range of materials, including stainless steel hardened metal, wood, plastic and acrylic. The complete size range from 1/16" to 1/2" covers all your drilling needs, making it an Essential addition to any toolbox and carry it on working waist belt. * EASY TO USE : the set comes in a durable indexed storage case that keeps each bit organized, protected, and easy to access on the job or in the workshop,The complete Size range from 1/16" to 1/2" covers all your drilling needs. * TECHNICAL FEATURES : 3 - Flat shank to prevent slipping for stable grip, 135 degree split point prevent walking and fully ground twist design make faster, more durability And smooth drilling. Jobber length twist drill bits includes: Size : 1/16”, 5/64”, 3/32”, 7/64," 1/8” , 9/64” , 5/32”, 11/64”, 3/16" , 13/6" , 7/32" , 15/64", 1/4”, 17/64” , 9/32" , 19/64”, 5/16", 21/64", 11/32" 23/64" , 3/8" , 25/ 64" , 13/32" , 27/64" 7/16" , 29/64" , 15/32", 31/64", 1/2”