Specification:
Quantity: 4 sets of M4 bolts and nuts
Inner diameter: 11mm/0.43inch
Outer diameter: 19mm/0.74inch
Total length: 30mm/1.18inch
Material: 304 stainless steel
Color: Silver
Features:
Wear resistance: It is wear-resistant and will not rust in saline environments.
Suitable for sign rails ranging from 5mm to 8.5mm, screw length: 11mm.
Easy to use: Simply screw in the marking guide to prevent the marking from sliding along the guide.