The Hillman Group 160059 1 7/8 14 Hex Jam Nut, 10 Pack

Often used when a nut needs to be locked in place without clamping against another object They can also be used to secure an item on a fastener without applying force to that object Zinc-plated for moderate corrosion resistance, Weight: 6.25E-4 Pounds, Manufacturer: The Hillman Group