[1 & 4-20 (20 pcs)]
[5 & 16-18 (20 pcs)]
[3 & 8-16 (20 pcs)]
Specifications:
Inside Diameter: 3/8 Inch
Thread Per Inch: 16
Thread Type: Coarse Standard Thread
Material: 18-8 Stainless Steel
Package Content:
20 x Acorn Cap Nuts 1/4-20
Note:
If theres any quality issues, please feel free to contact us ,we will help you at once.