yotijay 115Pcs Twist Set Multifunctional 135 degree Split Point High Speed Steel

[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 [M35 Alloy Material]Industry grade 6542 high speed steel set, harder than 4241 HSS used in other similar s set [135 degree Split Point and Twist Design] degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground with sharp and sturdy cutting edge. Twist design for clear chips faster [Feature]Set includes the holder with size index for easy storage and organizing Universal round drill shank, widely applicable of tool holding systems and tightly clamped Package Includes: 1 Set (115 Pieces) Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.