Carbide tipped 2 flute for high performance.
Thick carbide for 10-15 sharpening for longer tools life.
Each set includes an additional ball bearing (BB-10) and the relevant allen key set screw and washers.
This extra bearing will perfectly fit all 4 included bits and will transform them from a rounding overt bits into beading bits at no extra cost.
CNC machined anti kick-back desgin bits for maximum safety.
Hardened tool body for chatter free operation.