Specifications: 65 of 5/16"-18 nuts 20 of 5/16"-18 x 1" 10 of 5/16"-18 x 1 1/2" 10 of 5/16"-18 x 2" 5 of 5/16"-18 x 2 1/2" Grade 5 20 of 5/16"-18 x 1/2" Contains 130 pieces Includes the following:
