2mm x 12mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs 20x28x40mm Great as speaker control knob

Great as speaker control knob and amplifier knobs and for general electronic usage

Ideal Magnetic Screwdriver - Those bits fit for electric screwdrivers

Tolerance is  ±5%

Total Length: 56mm / 2

* Output Peak Power: 75W

2mm x 12mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs 20x28x40mm Great as speaker control knobMade of super fine grain carbide, the end mill cutter has high hardness (HRC92), high strength, and wear resistance. With good milling and cutting performance, carbide can run at higher speed than high speed steel. Features square end cut, 4 flute design, large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting. The AlTiSin composite coating has high hardness, high wear resistance and high thermal