Viking Drill and Tool 47462 Type 240-CN Ultra Dex CN-TECH Cryo (29 Piece)

Includes: 1/16 - 1/2 by 64ths
Cn-tech 135-degree split point
Modifies the carbon micro-structure through precipitation of carbides increasing resistance to wear
Nitride process diffuses Nitrogen into the surface to create a case hardening
Superior tool life and exceptional corrosion resistance