Material-The needle files are made of quality Carbon Steel with diamond sand coated, which enhance enhance their durability and wear off resistance.
Dimension- Total length: 140mm/5.5";Shank Dia:3mm/0.12"; Diamond-plated Length: 50mm / 2"
Easy to Carry-Organized in a plastic blue bag for easy storage and transportation.
Triangle Shape-Triangle shape is perfect for fine detail work;Mini file allows access in really tight fits.
Wide Application-Perfect file set for glass, stone,plastic modeling, gold, metal parts repair, jewelry making,woodworking and so on. Great set in your warehouse or toolbox.