Material: 304 stainless steel + steel
Surface treatment: nickel-plated
Specification: 1/4-20inch
Internal and external thread nut size: 1/4-20x15mm
Hexagon socket screw size: 1/4-20x1inch
Hexagon wrench size: 1/4-20x33x90mm
Products included:
12pcs-Inner and Outer Thread Nuts
12pcs-hexagon socket head cap screws
1pcs-Hexagon Wrench