TTC D34-5PC 5-Piece 3/8" to 1" M42 Cobalt Roughing Single End Mill Set - High-Speed Metal Cutting for CNC Machining, Milling, and Industrial Applications

Includes: Sizes: 3/8" x 3/8", 1/2" x 1/2",5/8" x 5/8", 3/4" x 3/4", 1" x 1" Supplied in plastic case.

Cobalt provides better wear compared to high speed steel.

Good for general purpose rough milling on both ferrous & non-ferrous materials.

Storage case/block protects & keeps the end user organized & prepared.