Features Premium Material: This hex bolt and nut set is made of high quality 304 stainless steel, which is high hardness, sturdy and wear-resistant, rust-resistant and corrosion-resistant, and has a long service life. Variety of Models: This assortment set of hexagon socket head cap screws comes in a variety of models, including 6 different sizes, to meet your various usage needs. Easy To Storage And Use: The hex head bolt nuts set is sized in a clear storage case for quick access and easy storage and portability. Widely used in industry. Wide Range of Applications: This hex screw assortment kit is perfect for all kinds of workers and repairmen, from plumbers to professional and amateur fitters, even DIYers can choose to use it. Intimate Service: We provide 7-day worry-free return and exchange service for all customers. If you have any questions about our socket head cap screw sets, you are welcome to contact us and we will serve you wholeheartedly. Specification: Material: 304 stainless steel Weight: Approx.556g/19.6oz Size: 1/4-20*1/2     10pcs 1/4-20*5/8     10pcs 1/4-20*3/4     10pcs 1/4-20*1       10pcs 1/4-20*1-1/8   10pcs 1/4-20*1-1/4   10pcs 1/4-20*nut      30pcs   Package list: 1/4-20*1/2     10pcs 1/4-20*5/8     10pcs 1/4-20*3/4     10pcs 1/4-20*1       10pcs 1/4-20*1-1/8   10pcs 1/4-20*1-1/4   10pcs 1/4-20*nut      30pcs Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List