GMTOOLS 115Pcs Cobalt Drill Bits Set, M35 High Speed Steel, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Plastic and Wood with Metal Indexed Storage Case, 1/16″-1/2″. 115 Pieces Set Includes: 29pcs Fractional Size: 1/16 to 1/2 inch bits in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60; Set includes the drill bit holder with size index for easy storage and organizing. Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped. 135 Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster. Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt alloy steel, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. 100% Satisfaction Guarantee for risk-free shopping! Cutting Angle String: 135 Degrees Degrees. Package Dimensions? 15.39 x 6.3 x 3.9 inches; 7.17 Pounds. Date First Available? July 5, 2022. Best Sellers Rank: #2,811 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #11 in Jobber Drill Bits. #11 in Jobber Drill Bits. Customer Reviews: 4.4 4.4 out of 5 stars 1,125 ratings. Except on weekend or public holidays. We stand behind our products. Your receive the wrong item.