Grade 8 Nut, Bolt and Washer Assortment Refill. A 3,100 piece assortment refill of bolts ( hex head cap screws), nuts and washers - Grade 8 USS. See chart below.
Does not include 40 Hole Metal Storage Bins, this is a refill of the 3,100 pieces that come with the original purchase of the 72 Hole Bin Assortment.
Total shipping weight: 145 lbs.