Secure your wheels with confidence using Rough Country’s Bulge Acorn Style Lug Nut Set. Built from cold-forged carbon steel for enhanced strength and rigidity, these premium lug nuts far exceed OEM standards in both durability and hardness - making them the ideal choice for aftermarket wheels and off-road builds. The bulge acorn design delivers over 6% more seating surface than standard lug nuts for a tighter, more secure fit, while the long-lasting chrome finish adds a layer of corrosion resistance and rugged style. Each set includes a socket key for quick, easy installation or removal. Choose between chrome or black to match your build perfectly. Built for Strength: Cold-forged carbon steel construction delivers exceptional strength and durability - perfect for lifted trucks, trail rigs, and heavy-duty use. Secure Fit Every Time: Bulge acorn design provides 6% more seating surface than standard lug nuts for superior wheel grip and stability on rough terrain. Corrosion-Resistant Chrome: Premium black plating resists rust, chips, and road grime - keeping your wheels looking sharp through every season. Complete 24-Piece Set: Includes 24 black lug nuts with M12X1.25 thread size and socket key for quick, hassle-free installation or removal. Off-Road Ready Style: Pairs perfectly with lifted and customized vehicles, these lug nuts add rugged looks and proven performance to your aftermarket wheels. UPC 840269913747 Brand Rough Country Color Black Model 1212524BLK Size Name M12x1.25 Metal Type Alloy Steel Drive Style External Hex Part Number 1212524BLK Thread Size M12x1.5 Thread Type Iso Metric Finish Types Painted Grade Rating Mil-Spec Manufacturer Rough Country Thread Class Coarse Thread Style Right Hand Fastener Type Acorn Item Diameter 12 Millimeters Material Type Alloy Steel Item Type Name Rough Country Lug Nut Set M12x1.25 | Black | Set of 24 - 1212524BLK Exterior Finish Painted Item Dimensions 13 x 4.25 x 2.5 inches Thread Coverage Partially Threaded Screw Head Style Flat Inside Thread Size M12 x 1.25 Included Components Lug Nut Set, Spline Socket Key Warranty Description Limited Lifetime Maximum Shear Strength Exceeds OEM standards Compatible Groove Diameter 12 Millimeters