150 pcs Nylon Insert Lock Nut Set - Lock Nut Assortment
Zinc plated steel construction.
This lock Nut Set includes:

• 25 pc #10 x 24
• 35 pc 1/4" x 10
• 25 pc 1/4" x 28
• 30 pc 5/16" x 18
• 25 pc 3/8" x 16
• 10 pc 1/2" x 13