7/8"-9 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts (3 pcs.)

Diameter: 7/8"
Diameter 2: 1-7/16"
Thickness: 1"
Material: Stainless Steel
Driver Type: 1-5/16" Wrench
Thread Size: 9 (Coarse)
Hardness: 18-8
Style: Waxed Nylon Insert
Type: Lock Nut

Box of 3.

A lock nut is a nut that resists loosening under vibrations and torque.