ITEM NAME:10Pcs 3.175*2*17mm Ball Head Double Edge Milling Cutter Blade Tungsten Ste ZYQ Descriptio n Specifications: Material: tungsten steel Color: silver Packing size: 5.2X5.5X1cm Package Include: 10 X 3.175*17mm double-edged ball end mill We offer you what you need! 10 Sticks 3.175×17mm Hard Alloy Ball Head Spiral Milling Cutter.10 Sticks 3.175×17mm Hard Alloy Ball Head Spiral Milling Cutter. 10 X 3.175 17mm double-edged ball end mill. Material: tungsten steel. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.