• Open End Acorn Bulge Lug Nuts 20 Pieces
• Thread Size: 7/16"-20
• Hex Size: 19mm
• Height: 21mm (0.83" Inch)
• Material: Steel
• Type: Conical (Cone) Seat
• Finish: Anodized 
• Lug Nut Will Fit Vehicles With 7/16"-20 Thread Studs w/ Cone Seat Lug Holes Only
• Please Use Torque Wrench And Hand Tightening The Lug Nuts With Appropriate Torque Setting. (DO NOT USE IMPACT GUN)