Best Built 0.4mm End Mill Cutter for BB70

This .4mm end mill cutter fits your Best Built BB70 engraving and cutting system. It is ideal for deep, fine line engraving on flat surfaces.

• Dimensions: 40 x 4mm
• Head Size: 0.4mm
• Shank Size: .157" (3.99mm)
• Shipping Weight: 0.434 ounces (12.3g)
• Country Of Origin: China
• Brand: Best Built
• Weight: 0.012 kg