Features:
1.Made of 304 stainless steel rust and corrosion resistant
2.Environment-friendly no pollution high hardness
3.Many length choice in one set meet daily basic needs
4.Well packed in a transparent plastic box
5.Carefully organized in 10 cells not worry messing them up

Size and Quantity:
M3*3mm 20pcs
M3*4mm 20pcs
M3*6mm 20pcs
M4*4mm 20pcs
M4*6mm 20pcs
M5*5mm 20pcs
M5*8mm 20pcs
M6*6mm 20pcs
M6*10mm 20pcs
M8*8mm 20pcs