The C7145XS cutters are made from the highest grade Stainless Steel with tungsten carbide inserts. The bevel is 0.0013" +/-0.0006". The extremely hard cutting edge (79-81 Rockwell "C") is excellent for cutting most types of medical and hard wires. They feature a LazerFlush™ cutting edge, extreme tip geometry for critical access to coils,ergonomic handles, stainless steel springs and our new LazerLok™ joint system.