• Premium quality ARP stainless steel
• Fasteners install most anything on a car, boat or trailer
• Specially alloyed polished stainless steel resists rust
• Nominally rated 180,000 psi tensile strength provides substantial margin of safety over Grade 8 hardware
• 5-pack, Washers included
• Standard thread
• Under Header Length: 1.250"
• Wrenching: 3/8"
• Diameter-Pitch: 5/16"-18
• 12-Point head