We offer discount for large quantity. We invite you to ! Needle File for 12 Pieces 180mm Taper Diamond File CF-400 Die SinkerProvides excellent surface finish and easy access to difficult areas. Our manual tapered diamond files are precision manufactured with the highest quality diamond and provide polishers with easy access in difficult areas such as rods and grooves. They also provide excellent surface finishDiamond Cone Files CF-400Shape: Inclined Plane Thickness: 0.3 - 1.5mm Width: 2mm, 4mm, 6mm, 8mm (3 pieces of each width) Grit Size: 150#, 200#, 400# (4 pieces of each grit size) Length: 180mm Effective Bits: 50mm Color: Silver Material: Diamond Package Contents: 12 x Mechanical is your file Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/