Material: metal
Color: black
Outside Diameter: 10mm / 0.4"
Inside Diameter: 6mm / 0.24"
Package Content : 100x Split Lock Washer

Function And Use:
1.These lock washers resist loosening caused by vibration and corrosion. Lock washers work by applying a spring force against the nut or bolt head.
2.Washer's surface are smooth can reduces friction between the fasteners, preventing isolates, 3.preventing loosening and dispersion pressure.
4.Ideal for many applications around the home, farm, business, automotive, and in industry

Note：
Manual measurement, please allow 1-2mm gap, thank you.